00813cam a22002411 4500 agr20001551 DLC 20260227110941.0 800722s1920 dcu f000 0 eng agr20001551 (OCoLC)6539428 DLC ViBlbV DLC premarc QC923 .K3 Kadel, Benjamin Clinton, 1873-1940. Instructions for erecting and using Weather Bureau nephoscope, 1919 pattern. Prepared by Benjamin C. Kadel. Washington, Govt. Print. Off., 1920. 10 p. 2 pl. on 1 l., diagrs. 23 cm. U. S. Dept. of agriculture. Weather Bureau. Instrument division. Circular I. Nephoscope. Clouds. United States. Weather Bureau. Circular I. 8685 8685