1907 – Walking Wheel Carriage – Henry S. Hele-Shaw (British)
Patent number: 880526 – see full patent details here. Filing date: Jun 27, 1907 Issue date: Mar 3, 1908 A very ingenious walking wheel mechanism was invented by the British inventor H. S. Hele-Shaw. He was inspired by another British invention, Diplock's Pedrail and heavily promoted the Pedrail before inventing his own variation. The carriage …
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