Hydraulic motors, with related subjects, including centrifugal pumps, pipes, and open channels, designed as a text-book for engineering schools (1905)
Church, Irving Porter, 1851-1931 · New York : J. Wiley & Sons; [etc, ] · leaf 189
employed for the determinationof the position, or change of position, ofthe horizontal surface of a body of stillwater, is the hook gauge. If a vertical rod of metal have itslower end turned up-ward in the form ofa hook, with a finesharp point, as inFig. 78, the point ofthe hook can be ad-justed to… … § 97. TURBINE TESTING. 151 great exactness by the eye of the observer, if the water isquiet; and the upward motion of the stem MN may thenbe arrested. Fig. 79 shows such a hook, H, attached to agraduated rod (like a leveling-rod) supported between twofixed vertical guides carrying a vernier reading…
Hydraulic machinery
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