* SLIDE RULE CIRCULAR CALCULATOR ENGINEERING MANUALS * 15 RARE BOOKS on CD * This is the ultimate rare historical books collection for all books lovers! Consisting of rare and ancient original books derived from the 1800's and 1900's or earlier. These books have been digitized for your viewing pleasure. Books are in PDF/TXT file format which is easily accessible readable and printable right off your computer. Titles Include: The Slide Rule; A Practical Manual (1903) - 130 PagesA Treatise on a Box of Instruments and the Slide-Rule: For the Use of Gaugers Engineering Seamen and Students (1872) - 266 PagesThe Mannheim Slide Rule; Complete Manual with Tables of Settings Equivalents and Gauge Points (1909) - 40 PagesDepartment Store Statistics with the Aid of the Slide Rule (1914) - 158 PagesHandbook of the Double Slide Rule Shewing Its Applicability to Navigation (1864) - 188 PagesThe Use of the Slide Rule (1920) - 48 PagesSlide-Rule Instructor for Instruction on Chadwick's Improved Slide Rule Containing New and Important Rules Upon the Present Practice of Engineering etc. (1893) - 90 PagesSlide-Rule Notes (1913) - 144 PagesSolution of Railroad Problems by the Slide Rule (1913) - 156 PagesThe Complete Slide Rule Instructor Containing Upwards of Three Hundred Questions and Solutions for the Improved Slide Rule (1858) - 93 PagesThe Slide Rule and How to Use It (1896) - 182 PagesMensuration and Practical Geometry; Containing Tables of Weights and Measures Vulgar and Decimal Fractions mensuration of Areas Lines Surfaces and Solids (1858) - 336 PagesOn the History of Gunter's Scale and the Slide Rule During the Seventeenth Century (1920) - 32 PagesHand-Book of the Slide-Rule (1876) - 346 PagesThe Mechanic's Assistant: A Thorough Practical Treatise on Mensuration and the Sliding Rule (1856) - 299 Pages... Happy Shopping!