The collection consists of 31 3.5x5 inch and 30 8x10 inch images of buildings 137 (General Foundry) and 167 (Boiler Makers shop) in the Washington Navy Yard complex. The smaller images are interior and exterior views of buildings and the larger images are reproductions of architectural blueprints.

The collection consists of 31 3.5x5 inch and 30 8x10 inch images of buildings 137 (General Foundry) and 167 (Boiler Makers shop) in the Washington Navy Yard complex. The smaller images are interior and exterior views of buildings and the larger images are reproductions of architectural blueprints.

The collection consists of 31 3.5x5 inch and 30 8x10 inch images of buildings 137 (General Foundry) and 167 (Boiler Makers shop) in the Washington Navy Yard complex. The smaller images are interior and exterior views of buildings and the larger images are reproductions of architectural blueprints.

The collection consists of 31 3.5x5 inch and 30 8x10 inch images of buildings 137 (General Foundry) and 167 (Boiler Makers shop) in the Washington Navy Yard complex. The smaller images are interior and exterior views of buildings and the larger images are reproductions of architectural blueprints.

The collection consists of 31 3.5x5 inch and 30 8x10 inch images of buildings 137 (General Foundry) and 167 (Boiler Makers shop) in the Washington Navy Yard complex. The smaller images are interior and exterior views of buildings and the larger images are reproductions of architectural blueprints.

The collection consists of 31 3.5x5 inch and 30 8x10 inch images of buildings 137 (General Foundry) and 167 (Boiler Makers shop) in the Washington Navy Yard complex. The smaller images are interior and exterior views of buildings and the larger images are reproductions of architectural blueprints.

The collection consists of 31 3.5x5 inch and 30 8x10 inch images of buildings 137 (General Foundry) and 167 (Boiler Makers shop) in the Washington Navy Yard complex. The smaller images are interior and exterior views of buildings and the larger images are reproductions of architectural blueprints.

The collection consists of 31 3.5x5 inch and 30 8x10 inch images of buildings 137 (General Foundry) and 167 (Boiler Makers shop) in the Washington Navy Yard complex. The smaller images are interior and exterior views of buildings and the larger images are reproductions of architectural blueprints.

The collection consists of 31 3.5x5 inch and 30 8x10 inch images of buildings 137 (General Foundry) and 167 (Boiler Makers shop) in the Washington Navy Yard complex. The smaller images are interior and exterior views of buildings and the larger images are reproductions of architectural blueprints.

The collection consists of 31 3.5x5 inch and 30 8x10 inch images of buildings 137 (General Foundry) and 167 (Boiler Makers shop) in the Washington Navy Yard complex. The smaller images are interior and exterior views of buildings and the larger images are reproductions of architectural blueprints.