Laboratory exercises in physics for secondary schools (1902)
Twiss, George Ransom, b. 1863 · New York, London, The Macmillan company · leaf 46
rimmedalong its edge until the hook remainsin the right position. (K) Place a load of nails and nutsin one car, and of nails only in theother; attach the rubber bands tothe cars and to one of the pairs ofhooks in the boards; draw back thecars until the bands are stretchedfar enough to give the cars… … o Borq _1 18 LABORATORY EXERCISES IN PHYSICS front edges are in the same line and the bandsequally stretched. (c?) Hold a rule between the cars and the two fronthooks, and parallel with the line of the front edges ofthe cars, so that the car boxes, but not the wheels,will strike the rule about…
Physics
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