The design and construction of oil engines; (1900)
Goldingham, Arthur Hugh. [from old catalog] · New York, Spon & Chamberlain; [etc., etc.] · leaf 101
?.nd willindicate the slightest deviation in speed. Portable Tachometer (Fig. 44a).—This instru-ment is similar in construction to the tachometer forpermanent attachment. By applying it by hand to thecentre of rotating shafts, it will instantly and correctlyindicate the number of revolutions of the… … Fig. 44a. tions of the shaft. This is accomplished by simplypunching a continuous slip of paper, as shown in
Internal combustion engines
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