Laboratory exercises in physics for secondary schools (1902)
Twiss, George Ransom, b. 1863 · New York, London, The Macmillan company · leaf 152
and F of the resist-ance rack.* (5) Measure the diam-eters of each of the twosizes of German silver wireat several points, and ifthey vary, take the averagefor each size. Do not meas-ure them on the rack unlesstold to do so by the instruc-tor, as careless handling Fig. 33. — B and S Wire Gauge. *… … 124 LABOBATORY EXEBCISES IN PHYSICS may stretch or displace the Avires. Use samples ofthe same wires provided for the purpose. By meansof the B. & S. wire gauge (Fig. 33), verify thegauge number of each wire. The correct numberis the one opposite that slot into which a straightportion of the…
Physics
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