Scientific American 173 VARIABLE SPEED GEAR FOR MOTOR-DRIVEN SEWING MACHINES. WAVE MOTOR FOR PUMPING SHIPS. proved car coup ODDITIES IN INVENTION. MIRROR SUPPORT. TARGET PRACTICE WITHOUT AMMUNITION. himself in target practice. Department VARIABLE SPEED GEAR FOR MOTOR-DRIVEN SEWING MACHINES., 1903-09-05

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Scientific American 173 VARIABLE SPEED GEAR FOR MOTOR-DRIVEN SEWING MACHINES. WAVE MOTOR FOR PUMPING SHIPS. proved car coup ODDITIES IN INVENTION. MIRROR SUPPORT. TARGET PRACTICE WITHOUT AMMUNITION. himself in target practice. Department VARIABLE SPEED GEAR FOR MOTOR-DRIVEN SEWING MACHINES., 1903-09-05

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