TY  - BOOK
AU  - Marvin,Charles F.
TI  - Instructions for the care and management of sunshine recorders ..
T2  - United States. Dept. of Agriculture. Weather Bureau. Circular G, Instrument Division. 3d ed. W.B
AV  - QC912 .M3
PY  - 1911///
CY  - Washington
PB  - Govt. Print. Off.
KW  - Sunshine-recorder
ER  -