Mechanical tests of pumps and pumping plants used for irrigation and drainage in Louisiana in 1905 and 1906.
A 1907 U.S. Department of Agriculture bulletin from the Office of Experiment Stations, reporting field tests of irrigation and drainage pumps in Louisiana for engineers and farm operators. Plates are engineering nomographs with fanned rule lines, hand-lettered axis labels for fuel cost and acreage, plus dense letterpress tables of horsepower, discharge, and efficiency.
