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Torpedo Assembly Building, Eastern end of Yerba Buena Island, San Francisco, San Francisco County, CA



See 16 maps of this location


B&W Photos


Data Pages


Photo Caption Pages


Item Title


Location
Eastern end of Yerba Buena Island, San Francisco, CA

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Created/Published
Documentation compiled after 1968.

Notes
Survey number HAER CA-232
Building/structure dates: 1891 initial construction
Significance: Building 262 has been determined eligible for listing in the National Register of Historic Places at the state level of significance under Criteria A and C, in the areas of military history and architecture. Its period of significance extends from 1891 through 1960. The Torpedo Assembly Building is the only extant building that signifies and commemorates nearly a half-century of Army presence on this Island. The building is also significant as a very early reinforced concrete building and as the "work of a Master," Earnest L. Ransome, who was among the most important 19th century reinforced concrete engineers working in the United States. He designed the first reinforced concrete bridge in the world, the Alvord Lake Bridge in San Francisco's Golden Gate Park. The building is also highly significant because it is almost completely unmodified. The reinforced concrete walls and their patented ashlar-like appearance, and minor elements, such as the windows and interior railroad tracks still exist.

Related Names
Mendell, Lt Col. George
Ransome, Earnest L.
Deras, Frank, Photographer
Hill, Dennis, Photographer


Collection
Historic American Engineering Record (Library of Congress)

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