Instructions for the care and management of sunshine recorders ...
Marvin, Charles F. 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 .
agr11001295
Sunshine-recorder.
QC912 / .M3
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 .
agr11001295
Sunshine-recorder.
QC912 / .M3