Instructions for erecting and using Weather Bureau nephoscope, 1919 pattern.
By: Prepared by Benjamin C. Kadel.
Series: U. S. Dept. of agriculture. Weather Bureau. Instrument division. Circular I.
Publisher: Govt. Print. Off.
Published: 1920
Place of publication: Washington
Language: eng
Number of pages: 10
Subjects: Nephoscope; Clouds