A History of the Logarithmic Slide Rule by Florian Cajori

By Florian Cajori

The slide rule, with its many diversifications, has been important to arithmetic and engineering on the grounds that its invention within the seventeenth century. curiosity during this box has grown dramatically and creditors can nonetheless locate a lot fabric at cheap costs. regrettably there was little info on hand apart from brands manuals and catalogs, making this reprint of Cajori's vintage quite helpful. additionally integrated with this reprint of the 1910 variation is Cajori's broad article at the historical past of Gunter's Scale and the Slide Rule in the course of the seventeenth Century, released via the college of California in 1920, which units forth his next findings. there's additionally a worthy explanatory advent through Dr. Robert ok. Otnes, editor of the magazine of the Oughtred Society. 178 pages. Illustrated. 61/8" x 91/4". difficult hide.

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Extra resources for A History of the Logarithmic Slide Rule

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Bull. de la société d’encouragement pour l’industrie nationale, Vol. 52, Paris, 1853, p. 588. ] 8. The Bate Rules. [Bull. de la société d’encouragement pour l’industrie nationale, Vol. 52, 1853, p. 588. Bate was an optician in London and his instruments were imported by the French about 1818. See also C. ”] 9. S. Bevan’s Improved Slide Rule. [A 6-in, rule, described in Philosophical Magazine (London), Vol. 49, 1817, p. 187. Without reversion of some of the lines that was suggested by Bevan, the rule was made by R.

Cited by Favaro, op. , p. 510. ] 82. Thacher’s Calculating Instrument. [Thacher’s Patent Calculating Instrument or Cylindrical Slide Rule, by Edwin Thacher, M. Am. Soc. C. , 1903. An edition of 1884 was brought out by D. Van Nostrand, New York. The rule was patented in 1881, and is manufactured by Keuffel & Esser Co. Approaches closely to a five-place table of logarithms in accuracy. See also Thacher’s article in the Proceeds. Engineers’ Society of Western Pennsylvania, Vol. , 1880, pp. 289—310.

Faber’s Improved Calculating Rule, London, E. ; Rudolf Krause, Rechnen mit dem Rechenschieber nach dem Dreiskalen-system der Firmen Dennert & Pape, A. W. Faber, Nestler u. ] 115. Gallice, Règle pour les Calculs Nautiques (en employant la division de la circonférence en 240 degrés proposée par M. de Sarrauton). , Paris, 1905, p. 118. ] 116. Johnson’s Rule for Unit Strains in Columns. [Engineering Record, 1894, Vol. 30, p. 31. Designed by Thomas H. , M. Am. Soc. ] 117. Crane’s Sewer Slide Rule. , New York, 1906, p.

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