Mechanical laboratory methods; the testing of instruments and machines in the mechanical engineering laboratory and in practice (1922)
Smallwood, Julian Chase · New York, D. Van Nostrand company · leaf 63
Fig. 28.—Van Winkle Dynamometer. … Fie. 29.—Central Laboratory Dynamometer. completed causing a click in a telephone receiver. The right-handbrush is stationary, but the one on the left is so arranged that itmay be swung around the shaft. In operation, the latter is DYNAMOMETERS 47 manipulated until a click is heard in the receiver,…
Mechanical engineering
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