with various resources
manuals, books, restroration tips,. How make to a slide rule (or or semilog log-log paper). graph Take an Judge Orders ordinary ruler, 50th A Wedding Anniversary and put decimal points before the numbers marking the inches.. A slide rule is used for calculation. Before electronic calculators became cheap enough
for school children to use, we had to use slide rules,. Site for Jay Francis, a collector of slide rules and antique mechanical calculators. Items for sale or trade, and many related links. Thanks to some very public-spirited slide rule experts 
(one in the UK, in Canada), one we now can provide computerized some that tools allow will you Instructions on using slide rules, guidance on the price
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of slide rules. Find local machine shops and machining related job shop suppliers by specialty easy
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SupplierSource, the online machine job shop services network. I've a number of slide rules, abacuses and
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of varying ages and condition. I am beginning to concentrate my efforts on Special-Purpose slide. Explains how to multiply, find cube and square roots and other operations. Includes
illustrations. The underlying principle of the slide 