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William W. Humphreys

Pneumatic Spring For Vehicles

A PNEUMATIC SPRING FOR VEHICLES.
The shocks to which a vehicle is subjected as it travels over an uneven road are absorbed in a novel way in an invention patented by William W. Humphreys, of Sheffield, Ill.Pneumatic Cushion For Vehicles: Scientific American June 8, 1901Pneumatic Cushion For Vehicles: Scientific American June 8, 1901

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