Balloon observation and instructions, by U.S. Army Division of Militar 71934 [Subtitle: on the subject of work in the basket] [Full title: Balloon observation and instructions] [Full author's name: U.S. Army Division of Military Aeronautics] [Author: U.S. Army Division of Military Aeronautics] [Link: https://www.gutenberg.org/7/1/9/3/71934] [Files: 71934-0.txt; 71934-h.htm] Thanks to Aaron Adrignola and the Online Distributed Proofreading Team at https://www.pgdp.net (This file was produced from images generously made available by The Internet Archive) Regards, Al