Laboratory exercises in physics for secondary schools (1906)
Twiss, George Ransom, b. 1863 · Chicago, Scott, Foresman and company · leaf 242
220 APPENDICES the load is being changed. // there is a screw for adjusting toequilibrium, this is turned toward the lighter side, instead ofadding sand. Hand balances may be conveniently suspendedupon a vertical support rod by means of a screw clamp as inFig. 50. The pans should not be far above… … Fig. 51.—The Trip Scales. 2. The Trip Scales. Operation. — (a) Place the sliderat zero. (Fig. 51.) (b) See that the ends of the knife-edge do not rub againstthe ends of the bearings. If they do so, the beam will notoscillate freely, but will come to rest rather suddenly. Movethe beam very slightly…
Physics
Internet Archive · Library of Congress · Public Domain Mark 1.0. Free to use for anything.
![An illustration from [Catalog]. (1908)](https://img.insideoutlibrary.com/img/200/ia-catalog00macy-447-1414.webp)
