Theory of
Ballooning No.
1-305 by the US War Department (Oct. 1940).
 The
manual covers the factors involved with flying of free balloons and the
proper handling of equipment pertaining to that activity.
Manual has extremely useful Information.
This information is available in a PDF file at the Goodard Library -
Balloon Technology Collection. Search for item: BT-2361.
You must request the file from the library.
Check out their site at:
Goddard Balloon
Technology Database
Available
as a TM-1-305.pdf |