Scientific American 1920 to 1929

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2010-01-19: SURFACING AND POLlSHING THE ICE FOR THE SKATERS2010-02-01: PUTTING THE STEAM TURBINE ON WHEELS: SWEDEN'S LOCOMOTIVE OF REVOLUTIONARY DESIGN1923-03-01: SALVAGING SUBMERGED TREASURES WITH DEEP-SEA SUIT AND SUBMARINE CUTTING TORCH.1923-04-01: WHEN THE GASOLINE TRACTOR TAKES THE PLACE OF THE SWITCHING LOCOMOTIVE1923-05-01: ON LAND AND ON WATER: MOTORING WITH THE AMPHIBIOUS GUDING BOATS1923-06-01: ENGRAVING SPY MESSAGES ON THE HEAD OF A SHOENAIL FOR THE MICROSCOPIC EYE1923-07-01: WHEN THE CANAL BARGE TAKES THE ELEVATOR TO SCALE THE HILLS0192-08-01: WHERE FUTURE AIRCRAFT ARE TESTED INTAKE END OF HUGE WIND TUNNEL1923-09: DETERMINING SIXTEEN BRANDS OF AUTOMOBILE PERFORMANCE ON THE ROAD2010-10-19: Where Fire Resistant Roofing Singles Must Make Good Their Claim2010-11-01: Riveting the Plates of a Penstock for a Hydro-Electric Power Plant2010-12-01: Record Breaking Altitude Flight Condition in the Low Pressure Caisson
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2010-10-19: Where Fire Resistant Roofing Singles Must Make Good Their Claim

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Where Fire Resistant Roofing Singles Must Make Good Their Claim



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