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No Caption: undated. Photograph shows what appears to be part of the carriage of a heavy coastal artillery gun.
Date: Undated
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Caption: "Powell Street Power House Ruins," shows a view of the Powell Street power house in complete disarray after the 1906 earthquake.
Date: 1906
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Caption: "Reflections," shows reflections of buildings in reflecting pool at the Panama-Pacific International Exposition. See also 96-07-08-alb01-103.
Date: 1915
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No caption, c. 1915. Twelve-inch disappearing coastal defense gun, showing the breech of the barrel where shells are loaded and ejected. Retracting or disappearing guns were a form of artillery developed in the nineteenth century in which heavy artillery guns were placed on rotating carriages that allowed retraction of the weapon after firing, to enable reloading while under enemy fire.
Date: 1915