Instructions for making pilot balloon observations.

Bibliographic Details

Corporate Author:	United States. Weather Bureau
Format:	Government Document eBook
Language:	English
Published:	Washington : U.S. GPO, 1928.
Series:	Instrument Div. Circ. O Weather Bur. Doc. No. 961
Subjects:	Balloons. Electronic books.
Online Access:	Connect to the full text of this electronic document