The outlines of physics: an elementary text-book (1897)
Nichols, E. L. (Edward Leamington), 1854-1937 · New York, The Macmillan Company; London, Macmillan & Co., Ltd. · leaf 95
gle piece of metal, designedwith a view to great stiffness and to minimum of mass. 80 TEE OVTLlirMS OF PHTSIOS There are three wedges,^ technically called hp,ife-edges: acentral one which forms .the axis of support, and one ateach end, upon which the scale pans hang freely by meansof stirrups. The… … Fig. 64 this line is located just above the center of mass. A longpointer, which swings in front of a scale, indicates the posi-tion of the beam. A short upright rod, vertically abovethe knife-edges, is threaded and carries a milled nut. Byraising and lowering this nut, the center of mass can…
Physics
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