H-1 & H-3 Plans

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H-1 in 1918

Philadelphia Navy Yard plans via Internet Archive

Philadelphia Navy Yard plans via Internet Archive

Philadelphia Navy Yard plans via Internet Archive

Philadelphia Navy Yard plans via Internet Archive

Common to H-1, H-2, and H-3 1918

From the private collection of Ric Hedman

H-3 in 1920

National Archives via Internet Archive

National Archives via Internet Archive

National Archives via Internet Archive

National Archives via Internet Archive

Page created by:
Ric Hedman & David Johnston
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