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Note on the listening apparatus for aircraft made by the Military Telegraph Service
-- Listening apparatus for aircraft.
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0 Copies are out.
Title
Note on the listening apparatus for aircraft made by the Military Telegraph Service -- Listening apparatus for aircraft.
Authors
Subjects
Language
English
Published
Washington [D.C.] : Government Printing Office, 1917.
Publication Desc
32 pages : illustrations ;
Dimensions
25 cm.