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A 1950's black and white photograph of a remote Vickers Swallow swing-wing aircraft during testing 29cm x 37cm
SOLD FOR £170
A 1950's black and white photograph of a remote Vickers Swallow swing-wing aircraft during testing 29cm x 37cm

A Sheffield stainless steel pocket knife by Southern and Richardson having mother of pearl handle and blade stamped Immaculate Stainless (found within the Tallboy bomb model whilst cataloguing).
SOLD FOR £360
A Sheffield stainless steel pocket knife by Southern and Richardson having mother of pearl handle and blade stamped Immaculate Stainless (found within the Tallboy bomb model whilst cataloguing).

A black document case marked British Aircraft Corporation, with zipped main compartment and zipped compartment to the front 29cm h x 41cm w  (Sir Barnes Wallis worked for BAC from 1945 until he retired in 1971)
SOLD FOR £120
A black document case marked British Aircraft Corporation, with zipped main compartment and zipped compartment to the front 29cm h x 41cm w (Sir Barnes Wallis worked for BAC from 1945 until he retired in 1971)

**Attributed to Martin Aitchison (1919-2016), Comic Strip depicting the Achievements of Sir Barnes Wallis, pen with ink, in several sections, 12cm h x 43cm w (x3), 12cm x 30cm and 12cm x 12.5cm. ** Artist's Re-sale Rights may be payable on this lot. Provenance: Sir Barnes Wallis thence by descent.
SOLD FOR £240
**Attributed to Martin Aitchison (1919-2016), Comic Strip depicting the Achievements of Sir Barnes Wallis, pen with ink, in several sections, 12cm h x 43cm w (x3), 12cm x 30cm and 12cm x 12.5cm. ** Artist's Re-sale Rights may be payable on this lot. Provenance: Sir Barnes Wallis thence by descent.

C. W. Glover (active 1950-1968). Half Length Portrait of Sir Barnes Wallis wearing a navy jacket, white shirt and Christ's Hospital School tie, oil on canvas, signed and dated 1968, 66cm x 56cm, within a gilt composition frame. Provenance: Sir Barnes Wallis thence by descent. Note: Sir Barnes Wallis was educated at Christ's Hospital between 1900 and 1904, and he retained a close and enduring connection with the school throughout his life. His affection for the institution was demonstrated in a remarkable act of generosity: he donated the 10,000 pound award he received from the Royal Commission on Awards to Inventors in recognition of his wartime work. Wallis directed the entire sum to Christ's Hospital to assist the children of those who had served in the Royal Air Force. In partnership with the RAF Benevolent Fund, which matched his gift, a dedicated trust was established to administer the award. Since its foundation in 1952, the Trust has supported more than 150 pupils. Each beneficiary has worn the distinctive Foundationers' badge, specially designed by Wallis himself. This work has been on loan with the Royal Air Force Museum for over 28 years.
SOLD FOR £360
C. W. Glover (active 1950-1968). Half Length Portrait of Sir Barnes Wallis wearing a navy jacket, white shirt and Christ's Hospital School tie, oil on canvas, signed and dated 1968, 66cm x 56cm, within a gilt composition frame. Provenance: Sir Barnes Wallis thence by descent. Note: Sir Barnes Wallis was educated at Christ's Hospital between 1900 and 1904, and he retained a close and enduring connection with the school throughout his life. His affection for the institution was demonstrated in a remarkable act of generosity: he donated the 10,000 pound award he received from the Royal Commission on Awards to Inventors in recognition of his wartime work. Wallis directed the entire sum to Christ's Hospital to assist the children of those who had served in the Royal Air Force. In partnership with the RAF Benevolent Fund, which matched his gift, a dedicated trust was established to administer the award. Since its foundation in 1952, the Trust has supported more than 150 pupils. Each beneficiary has worn the distinctive Foundationers' badge, specially designed by Wallis himself. This work has been on loan with the Royal Air Force Museum for over 28 years.

Will Spencer (1921-2002) "Animal Crackers: When we go to England I want to try those Barnes-Wallis adjustable wings!", ink with watercolour, signed with initials and inscribed, 23cm h x 14cm w. Provenance: Sir Barnes Wallis thence by descent. Note: In 1954 Spencer joined the News Chronicle to start the "Animal Crackers" pocket cartoon series.  This ran in the News Chronicle until that paper was absorbed by the Daily Mail in October 1960, when it continued in the combined paper. The Daily Mail continued to feature "Animal Crackers" until May 1971, when the newspaper was redesigned as a tabloid and the series was dropped. This work, depicting swallows in flight, alludes to Sir Barnes Wallis's pioneering "Swallow" project of the 1950s.  During this period, Wallis advanced a bold variable-geometry concept he termed the "wing-controlled aerodyne", conceived to maximise the efficiency and economy of high-speed flight.  His earliest investigations took shape in the "Wild Goose" study, which laid the groundwork for subsequent developments.  Wallis later refined these ideas into the "Swallow", a tailless, blended-wing aircraft envisioned as capable of completing return journeys between Europe and Australia in under ten hours - an extraordinary ambition for its time. As the project evolved, the Swallow was increasingly regarded as a potential supersonic successor to the RAF's subsonic Vickers Valiant bomber. Throughout the mid-1950s, various models of the design were tested with promising results, including a six-foot scale model that achieved speeds approaching Mach 2.  Despite its technical promise, the programme was curtailed in 1957 when the British government withdrew support from several advanced aeronautical initiatives, bringing Wallis' visionary work on the Swallow to an end.
SOLD FOR £360
Will Spencer (1921-2002) "Animal Crackers: When we go to England I want to try those Barnes-Wallis adjustable wings!", ink with watercolour, signed with initials and inscribed, 23cm h x 14cm w. Provenance: Sir Barnes Wallis thence by descent. Note: In 1954 Spencer joined the News Chronicle to start the "Animal Crackers" pocket cartoon series. This ran in the News Chronicle until that paper was absorbed by the Daily Mail in October 1960, when it continued in the combined paper. The Daily Mail continued to feature "Animal Crackers" until May 1971, when the newspaper was redesigned as a tabloid and the series was dropped. This work, depicting swallows in flight, alludes to Sir Barnes Wallis's pioneering "Swallow" project of the 1950s. During this period, Wallis advanced a bold variable-geometry concept he termed the "wing-controlled aerodyne", conceived to maximise the efficiency and economy of high-speed flight. His earliest investigations took shape in the "Wild Goose" study, which laid the groundwork for subsequent developments. Wallis later refined these ideas into the "Swallow", a tailless, blended-wing aircraft envisioned as capable of completing return journeys between Europe and Australia in under ten hours - an extraordinary ambition for its time. As the project evolved, the Swallow was increasingly regarded as a potential supersonic successor to the RAF's subsonic Vickers Valiant bomber. Throughout the mid-1950s, various models of the design were tested with promising results, including a six-foot scale model that achieved speeds approaching Mach 2. Despite its technical promise, the programme was curtailed in 1957 when the British government withdrew support from several advanced aeronautical initiatives, bringing Wallis' visionary work on the Swallow to an end.

After Keith Broomfield - "Vickers Wellington III of No.150 Squadron, Royal Air Force Bomber Command, Europe 1942", 20th century colour print, 30cm x 50cm, within a stained wood frame. Provenance: Sir Barnes Wallis thence by descent. Note: Led by Vickers-Armstrongs' chief designer Rex Pierson, a key feature of the Wellington was its geodetic airframe fuselage structure, which was principally designed by Barnes Wallis.
SOLD FOR £180
After Keith Broomfield - "Vickers Wellington III of No.150 Squadron, Royal Air Force Bomber Command, Europe 1942", 20th century colour print, 30cm x 50cm, within a stained wood frame. Provenance: Sir Barnes Wallis thence by descent. Note: Led by Vickers-Armstrongs' chief designer Rex Pierson, a key feature of the Wellington was its geodetic airframe fuselage structure, which was principally designed by Barnes Wallis.

Lesley R. - The achievements of Barnes Wallis, watercolour with gouache, signed and dated 1968, 43cm h x 55cm w. Provenance: Sir Barnes Wallis thence by descent. Note: this work can be seen in several publicity photographs of Barnes Wallis including Roger George Clark's portrait of Sir Barnes Wallis at his desk in the collection at the National Portrait Gallery.
SOLD FOR £1100
Lesley R. - The achievements of Barnes Wallis, watercolour with gouache, signed and dated 1968, 43cm h x 55cm w. Provenance: Sir Barnes Wallis thence by descent. Note: this work can be seen in several publicity photographs of Barnes Wallis including Roger George Clark's portrait of Sir Barnes Wallis at his desk in the collection at the National Portrait Gallery.

**David Shepherd C.B.E. (1931-2017) "Winter of '43, Somewhere in England", limited edition colour print, signed in pencil and with blindstamp, published in 1977, 51cm h x 93cm w, within a stained wood and hessian frame. ** Artist's Re-sale Rights may be payable on this lot. Provenance: Sir Barnes Wallis thence by descent. Note: this work has been on loan with the Royal Air Force Museum. In 1977, to "repay his debt" to the Royal Air Force, David Shepherd painted a picture of a Lancaster bomber at dispersal, titling it "Winter of '43 - Somewhere in England".  He donated 850 prints, all signed and numbered, of this painting to the Royal Air Force Benevolent Fund, and the prints raised 96,000 pounds for the institution.
SOLD FOR £500
**David Shepherd C.B.E. (1931-2017) "Winter of '43, Somewhere in England", limited edition colour print, signed in pencil and with blindstamp, published in 1977, 51cm h x 93cm w, within a stained wood and hessian frame. ** Artist's Re-sale Rights may be payable on this lot. Provenance: Sir Barnes Wallis thence by descent. Note: this work has been on loan with the Royal Air Force Museum. In 1977, to "repay his debt" to the Royal Air Force, David Shepherd painted a picture of a Lancaster bomber at dispersal, titling it "Winter of '43 - Somewhere in England". He donated 850 prints, all signed and numbered, of this painting to the Royal Air Force Benevolent Fund, and the prints raised 96,000 pounds for the institution.

**David Poole A.R.C.A. (b.1931) - Portrait of Barnes Wallis, pencil with charcoal, signed and dated 1968, 46cm x 33cm, within a painted wood frame. ** Artist's Re-sale Rights may be payable on this lot. Provenance: Sir Barnes Wallis thence by descent.
SOLD FOR £150
**David Poole A.R.C.A. (b.1931) - Portrait of Barnes Wallis, pencil with charcoal, signed and dated 1968, 46cm x 33cm, within a painted wood frame. ** Artist's Re-sale Rights may be payable on this lot. Provenance: Sir Barnes Wallis thence by descent.

**Alfred Egerton Cooper R.B.A. (British, 1883-1974) Portrait of Barnes Wallis sculpting a wood carving of his wife Molly, watercolour, signed with initals, 30cm x 24cm, within a stained wood frame.** Artist's Re-sale Rights may be payable on this lot. Provenance: Sir Barnes Wallis thence by descent. Note: Cooper produced two versions of this tender portrait displaying Wallis' devotion to his wife Molly. The other version painted in oils was sold at Dominic Winter on 17th December 2020, lot no. 331.
SOLD FOR £320
**Alfred Egerton Cooper R.B.A. (British, 1883-1974) Portrait of Barnes Wallis sculpting a wood carving of his wife Molly, watercolour, signed with initals, 30cm x 24cm, within a stained wood frame.** Artist's Re-sale Rights may be payable on this lot. Provenance: Sir Barnes Wallis thence by descent. Note: Cooper produced two versions of this tender portrait displaying Wallis' devotion to his wife Molly. The other version painted in oils was sold at Dominic Winter on 17th December 2020, lot no. 331.

2 vols.  INGE. W.R. Personal Idealism and Mysticism, London: Longmanz, Green and Co, 1907, 8vo, 186pp, bound in red cloth, gilt lettering, signed B.N.Wallis to end page together with DEANE, Anthony.C. How To Enjoy The Bible, London: Hodder & Stoughton Limited, 12mo, 188pp, bound in blue cloth, black lettering signed B.N.Wallis to end page
SOLD FOR £85
2 vols. INGE. W.R. Personal Idealism and Mysticism, London: Longmanz, Green and Co, 1907, 8vo, 186pp, bound in red cloth, gilt lettering, signed B.N.Wallis to end page together with DEANE, Anthony.C. How To Enjoy The Bible, London: Hodder & Stoughton Limited, 12mo, 188pp, bound in blue cloth, black lettering signed B.N.Wallis to end page

Dr Alexander R. Graham, Bust Portrait of Barnes Wallis, painted resin, 1966, 40cm h x 21cm w x26cm d . Provenance: Sir Barnes Wallis thence by descent. Note. Dr Alexander Graham R.M.S., M.B., Ch.B., D.P.H., Barrister-at-Law, served as Medical Officer of Health for Lancaster and later for the Borough of Mitcham. A close friend of Wallis, he was also an accomplished portrait painter and sculptor. Graham took up the study of sculpture later in life at Wimbledon School of Art, exhibiting at the Royal Academy in 1963 and frequently with the Society of Portrait Sculptors. He was elected a member of the Society in 1966 and served as its Honorary Secretary from 1968 until 1980. Following Graham's death in 1986, his widow, Marjorie, presented another cast of the present work to the National Aerospace Library at Farnborough. A photograph of Wallis standing beside the sculpture was likely taken to commemorate its presentation to the Library.
SOLD FOR £130
Dr Alexander R. Graham, Bust Portrait of Barnes Wallis, painted resin, 1966, 40cm h x 21cm w x26cm d . Provenance: Sir Barnes Wallis thence by descent. Note. Dr Alexander Graham R.M.S., M.B., Ch.B., D.P.H., Barrister-at-Law, served as Medical Officer of Health for Lancaster and later for the Borough of Mitcham. A close friend of Wallis, he was also an accomplished portrait painter and sculptor. Graham took up the study of sculpture later in life at Wimbledon School of Art, exhibiting at the Royal Academy in 1963 and frequently with the Society of Portrait Sculptors. He was elected a member of the Society in 1966 and served as its Honorary Secretary from 1968 until 1980. Following Graham's death in 1986, his widow, Marjorie, presented another cast of the present work to the National Aerospace Library at Farnborough. A photograph of Wallis standing beside the sculpture was likely taken to commemorate its presentation to the Library.

A collection of Barnes Wallis' lecture slides mainly about Aircraft performance and air travel in fitted numbered wooden boxes (96 slides, in 2 boxes)
Box M, 46 slides 
Slides 1-31 Text and Tables relating to aircraft performance, conventional and supersonic 
Slides 33-38 Text etc for a lecture on the role of research 
Slides 40-44 Tables for land, sea and air travel and transport 
Slides 47-50 Miscellaneous 

Box Q, Formulae, Graphs and Tables, 50 slides (one slide cracked) 
Metal alloy testing. Aircraft loading, performance. Paraboloids. Some slides in French.
SOLD FOR £85
A collection of Barnes Wallis' lecture slides mainly about Aircraft performance and air travel in fitted numbered wooden boxes (96 slides, in 2 boxes) Box M, 46 slides Slides 1-31 Text and Tables relating to aircraft performance, conventional and supersonic Slides 33-38 Text etc for a lecture on the role of research Slides 40-44 Tables for land, sea and air travel and transport Slides 47-50 Miscellaneous Box Q, Formulae, Graphs and Tables, 50 slides (one slide cracked) Metal alloy testing. Aircraft loading, performance. Paraboloids. Some slides in French.

A collection of Barnes Wallis' lecture slides mainly about Aircraft and their Performance in fitted numbered wooden boxes (98 slides, in 2 boxes)
Box C, Graphs, 49 slides 
Graphs mainly relating to aircraft speed, ceiling, range, including supersonic. 

Box J, Illustrations, 49 slides, 1 cracked 
Slides 1-26 Photographs of the stratospheric chamber 
Slides 27-34 Miscellaneous photos 
Slides 35-44 Photos of jet aircraft and rockets 
Slides 45-48 Photos of spitfires and flying boats 
Slide 49 Newspaper cartoon
SOLD FOR £280
A collection of Barnes Wallis' lecture slides mainly about Aircraft and their Performance in fitted numbered wooden boxes (98 slides, in 2 boxes) Box C, Graphs, 49 slides Graphs mainly relating to aircraft speed, ceiling, range, including supersonic. Box J, Illustrations, 49 slides, 1 cracked Slides 1-26 Photographs of the stratospheric chamber Slides 27-34 Miscellaneous photos Slides 35-44 Photos of jet aircraft and rockets Slides 45-48 Photos of spitfires and flying boats Slide 49 Newspaper cartoon

A collection of Barnes Wallis' lecture slides mainly about Aircraft, Strategic Maps and Technical Data in fitted numbered wooden boxes (97 slides, in 3 boxes) 
Box A, 49 slides (1 cracked)
Graphs mainly relating to aircraft performance, including supersonic. Some relate to WW2 explosives, like the Grand Slam 10 ton bomb 

Box K, 26 slides (warped box; 1 slide cracked) 
Slides 1-4 Photos and sketches of Swallow 
Slides 6-7 Photos of Jet aircraft 
Slides 9-18 Photos of flow patterns 
Slide 20 Photo of three-engined flying boat 
Slide 22 Photo of German WW2 flying bomb (doodlebug) 
Slides 24-29 Unknown photos, possibly radar carried by aircraft 
Slides 31-32 Miscellaneous photos

Box L, Maps and Air Routes, 22 slides (2 slides broken)
Range of Wellington Bomber. range of tactical missiles. 
Maps of playing fields, Middle East RAF bases 1929-1956, UN voting groups, non-centrality of New York. 
World maps based on various strategic cities, including London. London to Melbourne mail routes, by sea and by air (probably 1930s). 
1969 world map: spot the gaps in our defences ... when the carriers are gone.
SOLD FOR £320
A collection of Barnes Wallis' lecture slides mainly about Aircraft, Strategic Maps and Technical Data in fitted numbered wooden boxes (97 slides, in 3 boxes) Box A, 49 slides (1 cracked) Graphs mainly relating to aircraft performance, including supersonic. Some relate to WW2 explosives, like the Grand Slam 10 ton bomb Box K, 26 slides (warped box; 1 slide cracked) Slides 1-4 Photos and sketches of Swallow Slides 6-7 Photos of Jet aircraft Slides 9-18 Photos of flow patterns Slide 20 Photo of three-engined flying boat Slide 22 Photo of German WW2 flying bomb (doodlebug) Slides 24-29 Unknown photos, possibly radar carried by aircraft Slides 31-32 Miscellaneous photos Box L, Maps and Air Routes, 22 slides (2 slides broken) Range of Wellington Bomber. range of tactical missiles. Maps of playing fields, Middle East RAF bases 1929-1956, UN voting groups, non-centrality of New York. World maps based on various strategic cities, including London. London to Melbourne mail routes, by sea and by air (probably 1930s). 1969 world map: spot the gaps in our defences ... when the carriers are gone.

A collection of Barnes Wallis' lecture slides mainly about Aircraft and their performance in fitted numbered wooden boxes (95 slides, in 2 boxes) 
Box B, 50 slides, 1 cracked 
Graphs relating to performance of normal and swing-wing aircraft, including supersonic 

Box U, Misc, 45 slides 
Slides 1-18 Medical concentrates on mouth & nose, throat, lungs. 
Slides 21-34 Aircraft (one slide cracked) photos of aircraft, range from historic aircraft (1900ish) through WW2 fighters to 1960s commercial jets and Swallow 
Slides 34-43 The geodetic structure of the Wellington bomber. 
Slides 46-50 Committee slides show the four components of a Management Committee.
SOLD FOR £160
A collection of Barnes Wallis' lecture slides mainly about Aircraft and their performance in fitted numbered wooden boxes (95 slides, in 2 boxes) Box B, 50 slides, 1 cracked Graphs relating to performance of normal and swing-wing aircraft, including supersonic Box U, Misc, 45 slides Slides 1-18 Medical concentrates on mouth & nose, throat, lungs. Slides 21-34 Aircraft (one slide cracked) photos of aircraft, range from historic aircraft (1900ish) through WW2 fighters to 1960s commercial jets and Swallow Slides 34-43 The geodetic structure of the Wellington bomber. Slides 46-50 Committee slides show the four components of a Management Committee.

A collection of Barnes Wallis' lecture slides mainly about Airships and Aircraft in fitted numbered wooden boxes (106 slides, in 3 boxes)
Box H, mainly aircraft, 36 slides 
Slides 1-6 Geodetic structure, Aircraft wheel, viaduct architecture, miscellaneous 
Slides 8-10 Photos of cracks in materials 
Slides 12-17 Photos of aircraft, cutaways of Wellington to show structure 
Slides 19-21 Photos, seagull in flight, ballistics, jet engine 
Slides 35-43 Photos of prototype jet-propelled bomb? 
Slides 45-50 Photos of model aircraft and construction of stratospheric chamber 

Small Box O, 22 slides (5 slides cracked) 
Starting at piece of paper which says "Start Here"
7 world or regional maps, 1 table about trade, 3 photos of R100 (2 interior, 1 exterior; damaged), 2 tables and 6 photos related to flight testing (normal and hypersonic), 3 diagrams of swing-wing Swallow 

Box V, Airships, miscellaneous, 48 slides (1 slide broken) 
Slide 1 1919 drawing of Airship for England New Zealand travel 
Slide 2 Photo of mystery item (1920s?) 
Slides 4-30 Photos of manufacture of airship R100 (one drawing)
Slides 31-36 Photos of R100 in flight 
Slides 38-39 Drawings of 1919 airship 
Slides 40-42 b/w copies of paintings of 1919 in flight and mooring to ship 
Slides 43-45 Photos of cabins slung below airship (1920?) 
Slides 46-50 Miscellaneous
SOLD FOR £420
A collection of Barnes Wallis' lecture slides mainly about Airships and Aircraft in fitted numbered wooden boxes (106 slides, in 3 boxes) Box H, mainly aircraft, 36 slides Slides 1-6 Geodetic structure, Aircraft wheel, viaduct architecture, miscellaneous Slides 8-10 Photos of cracks in materials Slides 12-17 Photos of aircraft, cutaways of Wellington to show structure Slides 19-21 Photos, seagull in flight, ballistics, jet engine Slides 35-43 Photos of prototype jet-propelled bomb? Slides 45-50 Photos of model aircraft and construction of stratospheric chamber Small Box O, 22 slides (5 slides cracked) Starting at piece of paper which says "Start Here" 7 world or regional maps, 1 table about trade, 3 photos of R100 (2 interior, 1 exterior; damaged), 2 tables and 6 photos related to flight testing (normal and hypersonic), 3 diagrams of swing-wing Swallow Box V, Airships, miscellaneous, 48 slides (1 slide broken) Slide 1 1919 drawing of Airship for England New Zealand travel Slide 2 Photo of mystery item (1920s?) Slides 4-30 Photos of manufacture of airship R100 (one drawing) Slides 31-36 Photos of R100 in flight Slides 38-39 Drawings of 1919 airship Slides 40-42 b/w copies of paintings of 1919 in flight and mooring to ship Slides 43-45 Photos of cabins slung below airship (1920?) Slides 46-50 Miscellaneous

A collection of Barnes Wallis' lecture slides mainly about Seaplanes and other Aircraft in fitted numbered wooden boxes (90 photos, in 2 boxes)
Box N, Graphs, 24 slides 
Batch 1 (slides 1-13) - Aeronautical data for aircraft and pilot (slide 1 cracked). 
Batch 2 (slides 16-26) - Properties of materials under stress or temperature. 
Loose- Many unmounted photos of seaplanes and aircraft 1920's to late 1930's. 

Small Box S, Misc. Aircraft, 46 slides 
Starting at labelled end: 
5 photos of Supermarine S.6 sea plane which set speed record in 1929, 4 photos of civil single-seater aircraft, 7 photos of a WW2 military 2-seater, 4 photos of Hurricanes, 26 photos of aircraft structure
SOLD FOR £240
A collection of Barnes Wallis' lecture slides mainly about Seaplanes and other Aircraft in fitted numbered wooden boxes (90 photos, in 2 boxes) Box N, Graphs, 24 slides Batch 1 (slides 1-13) - Aeronautical data for aircraft and pilot (slide 1 cracked). Batch 2 (slides 16-26) - Properties of materials under stress or temperature. Loose- Many unmounted photos of seaplanes and aircraft 1920's to late 1930's. Small Box S, Misc. Aircraft, 46 slides Starting at labelled end: 5 photos of Supermarine S.6 sea plane which set speed record in 1929, 4 photos of civil single-seater aircraft, 7 photos of a WW2 military 2-seater, 4 photos of Hurricanes, 26 photos of aircraft structure

A collection of Barnes Wallis' lecture slides mainly about Radio telescopes and Wallis' Interests in fitted numbered wooden boxes (114 slides, in 3 boxes) 
Small Box R, Misc. Formulae, 25 slides 
Graphs, tables and photos showing the results of tests on duralumin, aluminium and other metals 

Box T, Miscellaneous, 48 slides
Slides 1-6 Microscopic cross-sections of materials. 
Slides 7-14 Manufacture of mystery cylinders. 
Slides 15-21 Radio telescopes, mainly photos, 1 design. 
Slides 22-29 Architecture: photo of the Pantheon, plans of church rooves and domes. 
Slides 30-34 Architecture: photos of a bridge, photo of a chiming clock. 
Slides 36-42 Miscellaneous. 
Slides 44-50 Lines of poetry and sayings. 

Box X, Personal (Sir Barnes Wallis), 39 slides 
Back group -  Five slides of old architecture. 
Middle group - 18 slides of ancient/old architecture. 
Front group - 10 slides of old/modern architecture and 18th century sailing ships. Three slides of architectural ground plans. Four slides of children's swings, slide, roundabout. Two other slides.
SOLD FOR £340
A collection of Barnes Wallis' lecture slides mainly about Radio telescopes and Wallis' Interests in fitted numbered wooden boxes (114 slides, in 3 boxes) Small Box R, Misc. Formulae, 25 slides Graphs, tables and photos showing the results of tests on duralumin, aluminium and other metals Box T, Miscellaneous, 48 slides Slides 1-6 Microscopic cross-sections of materials. Slides 7-14 Manufacture of mystery cylinders. Slides 15-21 Radio telescopes, mainly photos, 1 design. Slides 22-29 Architecture: photo of the Pantheon, plans of church rooves and domes. Slides 30-34 Architecture: photos of a bridge, photo of a chiming clock. Slides 36-42 Miscellaneous. Slides 44-50 Lines of poetry and sayings. Box X, Personal (Sir Barnes Wallis), 39 slides Back group - Five slides of old architecture. Middle group - 18 slides of ancient/old architecture. Front group - 10 slides of old/modern architecture and 18th century sailing ships. Three slides of architectural ground plans. Four slides of children's swings, slide, roundabout. Two other slides.

A collection of Barnes Wallis' lecture slides mainly about Supersonic flight in fitted numbered wooden boxes (106 slides in 3 boxes)
Box E, Miscellaneous drawings, 49 slides 
Slides 1-27: mainly flight, 1940s to 1950s (2 slides cracked) 
Slides 21-28: model Swallow and radio control 
Slides 29-40: Swallow as real aircraft 
Slides 41-42: missile and launch silo 
Slides 43-45: supersonic flight drawings
Slides 46-48: projectiles, bombs and torpedoes (possibly slide 48 shows Wallis' hydrodynamic torpedo) 
Slide 49: a futuristic jet aircraft(?) 

Box I, 46 slides (2 slides broken) 
Slides 1-26 Cut-away diagram of stratospheric chamber and photos of its construction 
Slides 27-34 Photos of jet aircraft, jet missile?, jet car? 
Slides 39-43 Photos of a balloon and a stratospheric balloon 
Sides 45-50 Miscellaneous 

Small Box P, 11 slides 
2 drawings of Swallow, 1 drawing of Concorde, 1 hypersonic aircraft drawing, 1 airship drawing, 1 ellipsoid drawing, 4 miscellaneous drawings, 1 miscellaneous photo
SOLD FOR £500
A collection of Barnes Wallis' lecture slides mainly about Supersonic flight in fitted numbered wooden boxes (106 slides in 3 boxes) Box E, Miscellaneous drawings, 49 slides Slides 1-27: mainly flight, 1940s to 1950s (2 slides cracked) Slides 21-28: model Swallow and radio control Slides 29-40: Swallow as real aircraft Slides 41-42: missile and launch silo Slides 43-45: supersonic flight drawings Slides 46-48: projectiles, bombs and torpedoes (possibly slide 48 shows Wallis' hydrodynamic torpedo) Slide 49: a futuristic jet aircraft(?) Box I, 46 slides (2 slides broken) Slides 1-26 Cut-away diagram of stratospheric chamber and photos of its construction Slides 27-34 Photos of jet aircraft, jet missile?, jet car? Slides 39-43 Photos of a balloon and a stratospheric balloon Sides 45-50 Miscellaneous Small Box P, 11 slides 2 drawings of Swallow, 1 drawing of Concorde, 1 hypersonic aircraft drawing, 1 airship drawing, 1 ellipsoid drawing, 4 miscellaneous drawings, 1 miscellaneous photo

A collection of Barnes Wallis' lecture slides mainly about Supersonic flight in fitted numbered wooden boxes (93 slides, in 2 boxes)
Box F, 50 slides 
Drawings and diagrams relating to Swallow and other jet aircraft and rockets 

Box G, Supersonic Flight, 43 slides 
Slides 1-6: Swallow 
Slides 8-13: Air intake and thrust 
Slides 15-19: Aerodynamics, swing-wing 
Slides 21-25: Various Graphs and diagrams 
Slides 27-31: Stratospheric chamber and wind-tunnel diagrams 
Slides 33-38: Aerodynamics at various atmospheres; current and future aircraft 
Slides 40-43: Radio telescope design 
Slides 45-50: Hyperboloid and other drawings
SOLD FOR £460
A collection of Barnes Wallis' lecture slides mainly about Supersonic flight in fitted numbered wooden boxes (93 slides, in 2 boxes) Box F, 50 slides Drawings and diagrams relating to Swallow and other jet aircraft and rockets Box G, Supersonic Flight, 43 slides Slides 1-6: Swallow Slides 8-13: Air intake and thrust Slides 15-19: Aerodynamics, swing-wing Slides 21-25: Various Graphs and diagrams Slides 27-31: Stratospheric chamber and wind-tunnel diagrams Slides 33-38: Aerodynamics at various atmospheres; current and future aircraft Slides 40-43: Radio telescope design Slides 45-50: Hyperboloid and other drawings

A collection of Barnes Wallis' lecture slides mainly about Dam Busters, bombs  and targets in fitted numbered wooden boxes (81 slides in two boxes)
Box W, 40 slides (5 slides cracked), box marked in chalk into four sections 
Section A: Four miscellaneous diagrams, one miscellaneous photo, two photos of original, almost spherical bouncing bomb 
Section B: Five photos, five drawings and a map relating to the Ruhr dams and the Dam Busters 
Section C: 14 photos of 617 Squadron's targets, some destroyed (including Tirpitz upside-down), a photo of a Tallboy bomb and two drawings relating to the Tallboy 
Section D: Five photos relating to the Ruhr dams and the bouncing bomb 

Box D, Diagrams, 41 slides 
Slides 1-26 Aerodynamics 
Slides 28-31 Stratospheric chamber 
Slides 33-34 Diagram, photo and blueprint of a German dam, possibly Mohne 
Slides 36-38 Diagrams of Tallboy effect on Bielefeld viaduct 
Slides 40-45 Diagrams for bombing coal mines, oil storage depots, tunnels, railway cutting or embankment
SOLD FOR £4000
A collection of Barnes Wallis' lecture slides mainly about Dam Busters, bombs and targets in fitted numbered wooden boxes (81 slides in two boxes) Box W, 40 slides (5 slides cracked), box marked in chalk into four sections Section A: Four miscellaneous diagrams, one miscellaneous photo, two photos of original, almost spherical bouncing bomb Section B: Five photos, five drawings and a map relating to the Ruhr dams and the Dam Busters Section C: 14 photos of 617 Squadron's targets, some destroyed (including Tirpitz upside-down), a photo of a Tallboy bomb and two drawings relating to the Tallboy Section D: Five photos relating to the Ruhr dams and the bouncing bomb Box D, Diagrams, 41 slides Slides 1-26 Aerodynamics Slides 28-31 Stratospheric chamber Slides 33-34 Diagram, photo and blueprint of a German dam, possibly Mohne Slides 36-38 Diagrams of Tallboy effect on Bielefeld viaduct Slides 40-45 Diagrams for bombing coal mines, oil storage depots, tunnels, railway cutting or embankment

A collection of Barnes Wallis' lecture slides mainly about airships in fitted numbered wooden boxes (88 slides, in two boxes)
Black Box, Graphs (crossed out in red), 27 slides (4 cracked) 
Staring at the two-holes end:
Section A: 11 slides (1 cracked), two diagrams of airships, two tables and a list of WW2 shipping data, a table of rocket propellant performance, two photos of girders, three slides of text, equations and table 
Section B: 10 slides (2 cracked), 7 diagrams relating to the performance of airships, three photos of the construction of R100 
Section C: 4 slides, 2 diagrams relating to airships, 1 photo ditto, 1 world map showing trade 
Section D: 8 slides (1 cracked), 1 diagram and 5 photos of the construction of the R100, 1 diagram and photo of the Graf Zeppelin 
Box 1, Current Lecture, 61 slides (slides are not completely in order; 2 cracked slides)
From "Start Here" label:
Section A: 16 slides showing world maps and diagrams of airships for long-distance travel 
Section B: 19 slides (1 cracked) showing the early development of long-distance Zeppelins (Germany to America) compared with British dirigibles and the late development of British airships, culminating with the R100 
Section C: 18 slides showing the construction of the R100, the development of BOAC routes around the world, the long-distance Vulcan bomber and an image of the swing-wing Swallow 
Section D: 8 slides (1 cracked) showing the potential of supersonic travel
SOLD FOR £840
A collection of Barnes Wallis' lecture slides mainly about airships in fitted numbered wooden boxes (88 slides, in two boxes) Black Box, Graphs (crossed out in red), 27 slides (4 cracked) Staring at the two-holes end: Section A: 11 slides (1 cracked), two diagrams of airships, two tables and a list of WW2 shipping data, a table of rocket propellant performance, two photos of girders, three slides of text, equations and table Section B: 10 slides (2 cracked), 7 diagrams relating to the performance of airships, three photos of the construction of R100 Section C: 4 slides, 2 diagrams relating to airships, 1 photo ditto, 1 world map showing trade Section D: 8 slides (1 cracked), 1 diagram and 5 photos of the construction of the R100, 1 diagram and photo of the Graf Zeppelin Box 1, Current Lecture, 61 slides (slides are not completely in order; 2 cracked slides) From "Start Here" label: Section A: 16 slides showing world maps and diagrams of airships for long-distance travel Section B: 19 slides (1 cracked) showing the early development of long-distance Zeppelins (Germany to America) compared with British dirigibles and the late development of British airships, culminating with the R100 Section C: 18 slides showing the construction of the R100, the development of BOAC routes around the world, the long-distance Vulcan bomber and an image of the swing-wing Swallow Section D: 8 slides (1 cracked) showing the potential of supersonic travel

An early 20th Century magic lantern, converted to electricity, contained in an  aluminium and painted metal case with brass lens housing, the cover marked RD No. 230577 6in, raised on a wooden adjustable stand 39cm h x 51cm w x 19.5cm d,  together with a Dallmeyer 12" F/7-7 Dallon Tele-Anastigmat 200766 lens with Air Ministry marking to the interior, complete with wooden carrying case 42.5cm h x 59cm w x 22cm d.  Most likely used by Sir Wallis for his lecturing.
SOLD FOR £900
An early 20th Century magic lantern, converted to electricity, contained in an aluminium and painted metal case with brass lens housing, the cover marked RD No. 230577 6in, raised on a wooden adjustable stand 39cm h x 51cm w x 19.5cm d, together with a Dallmeyer 12" F/7-7 Dallon Tele-Anastigmat 200766 lens with Air Ministry marking to the interior, complete with wooden carrying case 42.5cm h x 59cm w x 22cm d. Most likely used by Sir Wallis for his lecturing.