MENTAL ARITHMETIC, 10 VOLUMES

i. Gomès, Isaac. Nouvelle arithmétique ou moyen d'opérer toute espèce de calculs. Bayonne: M. Cluzeau, 1817. 8vo, PRESENTATION COPY, later half calf over marbled boards, (bought from Schulz-Falster, 2001), [T&W G56]ii. Lemoine, René-Jean (b.1791). Barême mécanique ou nouveau systéme de multiplication. Paris: 1830. 12mo, FIRST EDITION, original green wrappers, modern folding cloth box, (bought from Thomas-Scheler, Paris, 1987), [T&W L74], browning, wrappers worn with some soiling iii. Willcolkes, Dr. Doctor Willcolkes's new and much admired system of arithmetic and mental calculations, never before printed; being the result of many years' study. Derby: Thomas Fryer and Son, 1832. 8vo, green cloth with printed label, [T&W W80], spotting, some loss to back free endpaper iv. Hülf, Leopold Johann (1789-1843). Il calcolo senza cifre ossia Nuovo metodo di fare la moltiplicazione e la divisione senza altre cifre che quelle dei due termini dell' operazione. Verona: Gabinetto Letterario, 1837. 8vo, first Italian edition, original printed wrappers, (Gamberini, ex libris; bought from Mediolanum, 1997), [T&W H178], spotting, wrappers worn v. Eaton, James Stewart (1816-1865). Easy lessons in mental arithmetic, upon the inductive method. Adapted to the best mode of instruction in primary schools. Boston: Taggard and Thompson, 1863. small 8vo, cloth-backed printed boards, [not in T&W]vi. Byrne, Oliver (1810-1880). Dual arithmetic. A new art. London: Bell and Daldy, 1863. 8vo, FIRST EDITION, original cloth, re-backed retaining original spine, (bought from Weiner, 1991), [T&W B310], rubbed vii. Byrne, Oliver (1810-1880). The essential elements of practical mechanics, based on the principle of work; designed for engineering students. London: E. & F. N. Spon, 1867. 8vo, FIRST EDITION, original brown cloth boards, green endpapers, previous ownership annotations in pencil, [T&W B311], hinges starting, rubbedviii. Wade, John E. The mathematical velocipede, or instantaneous method of computing numbers. New York: Russell Brothers, 1871. 8vo, later edition, cloth-backed blue printed boards, [T&W W1], spotting and browning, damp-staining, rubbed with some loss to spine ix. David, William King (b.1858). David's rapid computing system, with key and explanations for home study. Chicago: 1883. 8vo, green printed wrappers, [T&W D12], light spotting, boards slightly soiled x. Dubbs, Eugene L. Dubbs' complete mental arithmetic. New York: American Book Company, 1893. 8vo, green cloth, previous ownership markings in pencil, [not in T&W], bumped

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