A laboratory manual in physics, to accompany Black and Davis' "Practical physics for secondary schools," (1913)
Black, Newton Henry, 1874- [from old catalog] · New York, The Macmillan company · leaf 50
t isthe compression in the stick BO? BREAKING STRENGTH OF WIRE 35 EXPERIMENT 18 BREAKING STRENGTH OF WIRE Sow many kilograms of force are required to break No. 27spring brass wire, steel wire, and copper wire ? Wire-breaking apparatus (Fig. 19). Spools of steel, 10 kg. spring balance. brass, and… … (<7) which turns an axle on which the wire is wound. Theother end of the wire is attached to the spring balance bymeans of a frame. As this frame is pulled, a wedge (IF)drops down which holds the index of the balance just whereit was at the instant of breaking. First slip one end of the wire…
Physics
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