Journal of the Association of Engineering Societies (1881)
Association of Engineering Societies (U.S.) · New York, [etc.] Board of Managers · leaf 346
ASSOCIATION OF ENGINEERING SOCIETIES. 302 instant shown, water enters the chambers E through the inlet ports 1, 2, 3, 4 and 6 in the bottom. It will be noticed that the six inlet ports are twice as large in area as the outlet ports 7, 8, 9, 10, 11 and 12, because there is a corresponding set of… … Fig. 4. Section of Hersey in contrast to that of the Rotary Meter. Crown, where the sides are in rolling contact while the top and bottom only are in sliding contact. The increased wear of all sliding surfaces in the Hersey Rotary is very noticeable, and the friction caused by the sliding contact…
Engineering
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