Experimental engineering and manual for testing. For engineers and for students in engineering laboratories (1906)
Carpenter, Rolla C. (Rolla Clinton), 1852-1919 · New York, J. Wiley & Sons; [etc., etc.] · leaf 53
ithms ofthese numbers. This scale can be made to slide past anotherlogarithmic scale, so that by placing them in proper positionsthere may be shown the sum or difference of these scales, andthe number corresponding. As these scales are logarithmic, thenumber corresponding to the sum is the product,… … m...ViiV.,Viiy„vVIVVy^,T,TSnVV^ [iii|tiiiili|iit i t i ] iT.M 1 Fig. i.—The Slide-rule. The usual form of the slide-rule is shown in Fig. I. Thisform carries four logarithmic scales, one on either edge of theslide, and one above and one below. Either scale can be used;that above is generally to one…
Building materials · Machinery
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