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Mechanical tests of pumps and pumping plants used for irrigation and drainage in Louisiana in 1905 and 1906. (1907)

U.S. Department of Agriculture, Office of Experiment Stations · Washington : Govt. Print. Office · leaf 11

An illustration from Mechanical tests of pumps and pumping plants used for irrigation and drainage in Louisiana in 1905 and 1906., 1907, leaf 11 — nch beyond, where it is con-nected by means of rubber tubing to one of the glass tubes placed in 10 front of a metallic scale graduated in feet, tenths, and hundredths.About two-thirds of the length back from the point of the 7-inchtube already referred to are two holes one-sixteenth of an inch… … Fig. l.—Pitottube. is a small piece of brass tubing, also projecting about 1 inch and con-necting to the second glass tube in front of the graduated scale bymeans of a short length of rubber tubing similar to that used with theimpact tube. The upper end of the outer tube is closed and thetwo small…

Pumping machinery. Irrigation Louisiana. Drainage Louisiana

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