asuring liquids and gas. under patents by Messrs. J. 8. Birch & Co., of New York city. Fig. 1 represents a hydraulic motor built on this principle. reciprocating motor, the only difference being that register- Fig. 1 shows the wrench as it is held in the hand ready to Fig. 2 represents a… … Messrs. Eli T. Bangs and Moses L, Dolbey, of Fayetteville, N. Y., have invented an improvement in jetties. This re- BIRCH’S AUTOMATIC WRENCH. MOTOR AND METER, lates to improvements in the construction of the foundation and heartings of jetties; and the object is tofurnisha strong be applied to a…
Internet Archive · Public domain (published before 1931). Free to use for anything.
