Henderson, C. Hanford (Charles Hanford), 1861-1941, Woodhull, John F. (John Francis), 1857-1941 · New York, D. Appleton and company · leaf 48
Fig. 10.—Calipers. Fig. 11.—Micrometer screw. apart is reajl off from the little scale attached to the mov-able arm. The micrometer screiv is used for determining the thick-ness of thin sheets of metal, paper, glass, and the like. Itconsists of a rigid frame of metal, supported by three fixedlegs.…
Physics
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