San Francisco : Architect and Engineer, Inc · leaf 258
ly consider some of the characteristics of Los Angeles, San Francisco, the Columbia and aircraft and the problems which face them in Puget Sound. Coast Artillery Harbor Defense making an attack. Aircraft is in general divided troops are organized into the 9th Coast Artil- into four classifications,… … Official photo, U. S. Army Air Corps Night action.Three-inch anti-aircraft guns arethe end-points ina network ofcommunicationswhich is essentialto successfully re-pulsing air raids.
Architecture · Building
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