Lot 47
5 vols. LONEY, S. L. Plane Trigonometry Part II. Cambridge: At The University Press 1918. 12mo, 211pp. Pen comments and formula bottom page 94, pencil ticks throughout. Original blue cloth with black lettered spine, fading to spine and cover, minor rubbing to corners and edges of spine, staining to endpaper and back pages. Reprinted edition 1918. Signed B.N. Wallis. GHEURY DE BRAY, M. E. J. Exponentials Made Easy or The Story of "Epsilon". London: Macmillan and Co., 1921. 12mo, 253pp. Original green cloth with black lettered spine, fading to spine and cover, rubbing to corners and edges of spine, staining to endpaper and back pages. Mechanical World Year Book 1924. Manchester: Emmott & Company, Limited 1924. 12mo, 173pp. Orginal red cloth with black lettered spine, fading to spine and cover, damage to spine, rubbing to corners and edges. Thirty-Seventh Year of Publication. Signed B.N. Wallis. DUNKERLEY, S. Mechanism. London: Longmans, Green and Co. 1920. 8vo, 447pp. Original green cloth with gilt lettered spine, fading to spine and cover, minor rubbing to corners and edges of spine. Third Edition, New Impression. Signed B.N. Wallis. STEWART, R. Wallace. The Tutorial Physics Volume IV. The Higher Text-Book of Magnetism & Electricity. London: W.B. Clive University Tutorial Press Ltd. 1920. 12mo, 750pp. Original brown cloth with gilt lettered spine. Spine damaged, rubbing to edges and to spine, severe ink staining to cover and edges of pages. Ex Libris Burlington House Cambridge to pastedown. Seventh Impression (Second Edition). Many pages marked with ticks, paragraphs identified with pencil lines and some pages marked in pencil "Omit".  £200-300