00776cam a22002171 4500 agr11001295 DLC 20260227110932.0 830511s1911 dcua f000 0 eng c agr11001295 (OCoLC)9501654 Library, U.S. Dept. of Agriculture DSI DLC premarc QC912 .M3 Marvin, Charles F. (Charles Frederick), 1858-1943. Instructions for the care and management of sunshine recorders ... By C.F. Marvin ... Washington, Govt. Print. Off., 1911. 22 p. illus., diagrs. 23 cm. United States. Dept. of Agriculture. Weather Bureau. Circular G, Instrument Division. 3d ed. W.B. 456 Sunshine-recorder. 7963 7963