Journal of the Association of Engineering Societies (1881)
Association of Engineering Societies (U.S.) · New York, [etc.] Board of Managers · leaf 59
AIR COMPRESSION. 39 Another device, using a somewhat similar principle, was in- vented by M. Romilly. It consists of a conical tube attached to an air reservoir by its larger end, and having a check valve interposed in the passage so as to prevent the air from escaping. Water is then injected into… … Fig. i. W. L. Horne. But all of the apparatus just described did not really employ the same methods as those used in the old trompe. One of the first inventions carrying out this idea, Fig. 2, was made by Mr. J. P. Frizell, of Boston, Mass., a member of this Society. His inven- tion made use of an…
Engineering
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