TY  - BOOK
AU  - Kadel,Benjamin Clinton
TI  - Instructions for erecting and using Weather Bureau nephoscope, 1919 pattern
T2  - U. S. Dept. of agriculture. Weather Bureau. Instrument division. Circular I
AV  - QC923 .K3
PY  - 1920///
CY  - Washington
PB  - Govt. Print. Off.
KW  - Nephoscope
KW  - Clouds
ER  -