Instructions for reporting pilot balloon observations
By: [C.F. Marvin]
Contributors: United States. Weather Bureau
Publisher: U.S. Dept. of Agriculture, Weather Bureau
Published: 1933
Place of publication: Washington, D.C
Language: eng
Number of pages: 19
Subjects: United States. Weather Bureau; United States; Observers' manuals; Observations; Pilot Balloons; Meteorology; Upper Atmosphere; Aeronautics in meteorology; Handbooks, manuals
Other titles: Reporting pilot balloon observations; Circular
Notes: Title from caption.

"July 1, 1933."

"C. F. Marvin, Chief of Bureau"--P. 19.

Accompanied by Instructions for reporting pilot balloon observations, Feb. 1, 1936, 21 p.; Feb. 1, 1938 (6 p.); Nov. 1, 1938 (6 p.) [and] Appendix, Nov. 1, 1934, 2 p.

Have also Circular: Indicating time of pilot balloon observations in daily transmission of reports, Oct. 1, 1935, 1 leaf.