TM 9-6695-274-14
Figure 1-58. Stewart Warner, Model STI-650H-1, Tachometer Calibrator.
Stewart Warner, Model STI-650H-1, Tachometer Calibrator (fig. 1-58) is a source for powering instruments when making
angular speed measurements. Model STI-650H-1 is capable of up to 5000 revolutions per minute.
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