Scientific American 1920 to 1929

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2010-01-19: Automobile motor Number: Dispatchers of Highway Traffic, New Yorks Traffic Towers in Action2010-02-01: IN THE NAVIGATING ROOM OF THE U.S. NAVY DIRIGIBLE SHENANDOAH1924-03-01: IN THE LAND OF MAKE-BELIEVE: AN AERIAL PLATFORM FOR CAMERAMEN1924-04-01: A BESSEMER CONVERTER TURNING IRON INTO STEEL1924-05-01: Broadcasting the Baseball Game: the Radio Reporter And the Radio Engineer in Action1924-06-01: THE WORLD IN MINIATURE: MODEL MAKERS AT WORK ON A HUGE RELIEF MAP1924-07-01: Slipping the Rotor in Place, the Assembling of a Huge Turbo-Generating Unit0192-08-01: On the Roof of the World: Filming the Assault on Mount Everst1924-09: BOATING AT EXPRESS-TRAIN SPEED: AN EXCITING MOMENT IN A CUP RACE2010-10-19: On the Deck of a Fast Locomotive2010-11-01: New Scientific Methods for the Control of Theater Lights2010-12-01: New Scientific Way To Find Out Whether You Can Sing
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2010-12-01: New Scientific Way To Find Out Whether You Can Sing

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New Scientific Way To Find Out Whether You Can Sing



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