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William Ingersoll Sherwood
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21,181. Sherwood, W. I. Sept. 24. Speed indicators. -In a centrifugal speed indicator, Fig. 3, a weight h pivotally mounted upon an elongated support a carries a beam i, which indicates speed on a graduated post d in line with a socket b receiving the end of the shaft n the speed of which is to be measured. The invention is shown in Fig. 4 applied to the record table p' of a phonograph. The beam s<2> carried by the weight q<1> operates the graduated member t movable vertically within a shaft o'. In a modification, the weight is pivoted to a bracket secured to the shaft o'.
GB190721181D1907-09-241907-09-24Improvements in Centrifugal Speed Indicators.
ExpiredGB190721181A
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