Harbor Defenses of San Francisco - 1860s to 1940s.
 12-in gun Btry Mendell, Fort Barry 1908 (GOGA) |
 12-in dc gun & visitors, Btry Mendell, Ft Barry 1908 (GOGA) |
 Btry Howe-Wagner, Fort Scott. 12-inch mortars, 1897 (GOGA-3387) |
 12-in mortar Btry Alexander, Fort Barry 1908 (GOGA).jpg |
 12-in mortars at Btry Alexander, postcard |
 Btry McKinnon-Stotsenberg, Fort Winfield Scott. 12-inch mortars (GOGA) |
 3-in RF guns, Btry O'Rorke, Fort Barry 1908 (GOGA Coll) |
 Fort Barry, Btry Wallace at top. Battery Alexander at lower center. (NARA RG 499 E118) |
 Fort Barry aerial, Btry Wallace (NARA RG 499 E118) |
 Fort Barry, Btry O'Rorke under camouflage nets 1942c. Compare to earlier view in this gallery. (US Army) |
 Btry Chamberlin, Fort Winfield Scott, 6-in gun 1941 (LIFE) |
 Btry Chamberlin camouflaged gun Sept 1942 (SFPL, GOGA-2316) |
click on thumbnails for full image