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Catalogue for our Sir Barnes Wallis 'Dam Busters' Collection auction to be held on Wednesday 25th of March 2026

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  • 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

288

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 £300-400
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  • 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

289

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 £100-200
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  • 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

290

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 £100-200
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  • 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.

291

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. £100-200
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  • 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

292

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 £100-200
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  • 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

293

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 £100-150
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  • 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.

294

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. £100-200
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  • 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.

295

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. £100-200
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  • 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

296

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 £100-200
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  • 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.

297

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. £80-120
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  • A 1930's oak and plywood 3 tier open bookcase 112cm h x 92cm w x 24cm

300

A 1930's oak and plywood 3 tier open bookcase 112cm h x 92cm w x 24cm £100-150
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  • A 1930's rectangular oak 2 tier tea trolley with sprung and rubber wheels 73cm h x 69cm w x 39cm d

301

A 1930's rectangular oak 2 tier tea trolley with sprung and rubber wheels 73cm h x 69cm w x 39cm d £150-200
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  • A 1930's mahogany 3 section table top book trough, raised on panelled supports 16cm h x 82cm w x 20cm d

302

A 1930's mahogany 3 section table top book trough, raised on panelled supports 16cm h x 82cm w x 20cm d £150-200
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  • A pair of 1930's oak open arm chairs, the seats and backs upholstered in brown leather, raised on square supports 84cm h x 61cm w x 63cm d (seat height 48cm)

303

A pair of 1930's oak open arm chairs, the seats and backs upholstered in brown leather, raised on square supports 84cm h x 61cm w x 63cm d (seat height 48cm) £200-300
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  • A 1930's oak, Minty style, 3 section bookcase 112cm h x 87cm w x 25cm d

304

A 1930's oak, Minty style, 3 section bookcase 112cm h x 87cm w x 25cm d £100-150
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  • A 1930's rectangular mahogany and plywood 2 tier trolley fitted 2 drawers, raised on sprung and rubber wheels 76cm h x 76cm w x 46cm d.

305

A 1930's rectangular mahogany and plywood 2 tier trolley fitted 2 drawers, raised on sprung and rubber wheels 76cm h x 76cm w x 46cm d. £100-150
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  • A 1930's rectangular mahogany and plywood 5 section table top filing tray 41cm h x 51cm w x 27cm d

306

A 1930's rectangular mahogany and plywood 5 section table top filing tray 41cm h x 51cm w x 27cm d £100-150
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  • A 1930's rectangular oak drop flap office table with green writing surface, fitted 2 drawers and 3 recesses 77cm h x 168cm w x 52cm d (when folded down) 79cm d (flap open)

307

A 1930's rectangular oak drop flap office table with green writing surface, fitted 2 drawers and 3 recesses 77cm h x 168cm w x 52cm d (when folded down) 79cm d (flap open) £300-400
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  • A 1930's oak and plywood open bookcase fitted 2 fixed shelves 112cm h x 91cm w x 24cm d

308

A 1930's oak and plywood open bookcase fitted 2 fixed shelves 112cm h x 91cm w x 24cm d £100-150
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  • A 1930's mahogany and plywood filing rack, the centre fitted an aperture flanked by 6 compartments, 41cm h x 138cm w x 27cm d

309

A 1930's mahogany and plywood filing rack, the centre fitted an aperture flanked by 6 compartments, 41cm h x 138cm w x 27cm d £100-150
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  • A 1920's light oak library table with brown inset writing surface above 3 long drawers, raised on square supports 77cm h x 182cm w x 106cm d

310

A 1920's light oak library table with brown inset writing surface above 3 long drawers, raised on square supports 77cm h x 182cm w x 106cm d £300-400
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  • A magnifying lamp with rectangular magnifying glass flanked by 2 bulbs marked The Anglepoise PAT in UK and Abroad, raised on a tapered oak 2 tier stand with casters 145cm h x 46cm w x 45cm d

311

A magnifying lamp with rectangular magnifying glass flanked by 2 bulbs marked The Anglepoise PAT in UK and Abroad, raised on a tapered oak 2 tier stand with casters 145cm h x 46cm w x 45cm d £200-300
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  • A Revo Aermaster, 4 bladed, metal electric oscillating table fan, base marked AERMASTER batch no. F207, with original flex and round pin fused plug 40cm h x 18cm w x 24cm d

312

A Revo Aermaster, 4 bladed, metal electric oscillating table fan, base marked AERMASTER batch no. F207, with original flex and round pin fused plug 40cm h x 18cm w x 24cm d £100-150
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  • M Mayers & Sons Ltd., a rectangular metal and grey plastic pierced 2 tier filing tray marked M*Y*E*R*S 44 19cm h x 38cm l x 28cm w

313

M Mayers & Sons Ltd., a rectangular metal and grey plastic pierced 2 tier filing tray marked M*Y*E*R*S 44 19cm h x 38cm l x 28cm w £50-70
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  • A grey Simplon draughting table/desk, c.1960s, fitted with a Mavitta Master 360 draughting machine with Admell Fingalite adjustable lamp. The tapered triangular cast-iron base was manufactured by Dargue Brothers at Simplon Works, Halifax, and features a central red Simplon logo, pedals, and rubber footrests. The base supporting a pine table top with attached draughting machine. Together with a revolving steel high chair by ROC Birmingham

314

A grey Simplon draughting table/desk, c.1960s, fitted with a Mavitta Master 360 draughting machine with Admell Fingalite adjustable lamp. The tapered triangular cast-iron base was manufactured by Dargue Brothers at Simplon Works, Halifax, and features a central red Simplon logo, pedals, and rubber footrests. The base supporting a pine table top with attached draughting machine. Together with a revolving steel high chair by ROC Birmingham £3000-4000
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