Cover image for Aerial observation; the airplane observer, the balloon observer, and the army corps pilot
Title:
Aerial observation; the airplane observer, the balloon observer, and the army corps pilot
Author:
Hall, Holworthy, 1887-1936.
Personal Author:
Publication Information:
New York ; London : Harper & Brothers [1921]

[©1921]
Physical Description:
8 pages l., 355 pages, 1 unnumbered page : frontispiece (portrait) plates, diagrams ; 21 cm
Language:
English
Format :
Book