By Florian Cajori

The slide rule, with its many adaptations, has been very important to arithmetic and engineering because 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 to be had aside from brands manuals and catalogs, making this reprint of Cajori's vintage fairly beneficial. additionally incorporated with this reprint of the 1910 variation is Cajori's large article at the historical past of Gunter's Scale and the Slide Rule through the seventeenth Century, released through the college of California in 1920, which units forth his next findings. there's additionally a worthwhile explanatory creation via Dr. Robert ok. Otnes, editor of the magazine of the Oughtred Society. 178 pages. Illustrated. 61/8" x 91/4". tough disguise.

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