Book
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Title
Aerial observation; : the airplane observer, the balloon observer, and the army corps pilot,
Call No
UG630
Authors
Language
English
Published
New York, London : Harper & Brothers, [c1921]
Publication Desc
8 p. Á., 355, [1] p. : front. (port.) plates, diagrs. ;
LCCN
21009719
Dimensions
21 cm.