Scientific American 1920 to 1929

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1921-01-01: Exploring the Qcean Bottom with the Deep Sea Sounding Equipment1921-01-08: A Vital Link in the Transportation System of America: the Motor Truck1921-01-15: Wind Storms Made To Order in the World of Make Believe1921-01-22: Cleaning a Huge Motor Frame Casting After It Has Cooled1921-01-29: The Motor Sled Versus the Dog Sled in the Frozen North1921-02-05: Stripping Sweet Clover Plants of Their Seed.1921-02-12: One of the Latest U.S. Destroyers At Full Speed1921-02-19: Cleaning Chicago Streets with the New Snow Loader And Motor Truck1921-02-26: Drilling Rock By Means of Energy Transmitted Through a Liquid Column - That moon rocket proposition-It's proponent says a few words in refutation of some popular fallacies by Robert H. Goddard1921-03-05: Building a Skeleton Pattern for a Water Turbine Spiral Casing1921-03-12: Spinning And Cutting a Mass of Soft Clay To Form An Electric Insulator1921-03-19: Speeding Up Frances Canal Traffic with the Electric Mule1921-03-26: The Kearsarge Once a Battleship Now a Floating Crane1921-04-02: Taking the Dents Out of Damaged Brass Insruments1921-04-09: Logging with the Aid of the Electric Yarder And Duplex Loader1921-04-16: Converting the Idle Automobile Into a Farm Tractor1921-04-23: Directing the Train Operations in a Giant Railroad Terminal1921-04-30: Power for the Automotive World: Oil Wells of Our Great Southwest
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1921-02-26: Drilling Rock By Means of Energy Transmitted Through a Liquid Column - That moon rocket proposition-It's proponent says a few words in refutation of some popular fallacies by Robert H. Goddard

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