The Architect & engineer of California and the Pacific Coast (1905)
San Francisco, Calif. : Architect and Engineer Co · leaf 139
st recording de-vices for use in modern building construc-tion, will be sent upon application. <|ITheclocks furnished by the Self WindingClock Co., are the only ones used inthe Western Union Telegraph CompanysTime Service, and may be synchronizedhourly from the U. S. Observatory. Byour… … ting to Advertisers mention this ^Magazine. The Architect and Engineer 127 ARMSTRONG ELECTRIC SIGNALS for Passenger andFreight Elevators MECHANICAL FLOOR IN-DICATORS FOR ELEVATORS Automatic Freight Door Operat-ing Mechanism, Expressman CallSystem, Fire-proof SteelCurtains for Theatres. Elevator…
Architecture · Building
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