Navy Yard, General Foundry, Navy Yard Annex, Washington, District of Columbia, DC
Significance: The Washington Navy Yard Annex was historically significant in the manufacture of large scale ordnance during World Wars I and II. Foundry Building 137 originally housed both brass and steel founding operations for the Yard. Its primary role was the casting of small steel parts and forgings for the smaller guns. It is a typical example of foundry architecture of the early part of this century.
Survey number: HABS DC-442-A
National Register of Historic Places NRIS Number: 73002124