00543cam a22001931 4500 agr11001808 DLC 20260227110932.0 820120s1907 ii 000 0 eng agr11001808 (OCoLC)16762678 DLC OrPS DLC S279 .A45 v. 1, no. 5 Arnott, M. H. The construction of drain gauges at Pusa. Calcutta Printed by Thacker, Spink & co., 1907. 1 p. l., p. [59]-77. xx pl. 25 cm. Drain-gages. 7998 7998