BALLOONS VERSUS SUBS
The French navy proposes the use of balloons to detect enemy submarines : they would then send word to destroyers to come and destroy them
Hi-Res image available upon request
Picture No
10119278
Media ID
48919312
Credit
Mary Evans Picture Library
Source
Engraving by C Field in (probably) The Sphere
Date
1902
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Destroy Destroyers Detect Proposes Send Submarines Subs Versus Word
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