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Scientific American, Vol. 96, No. 13 (1907) (1907)
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ion is particularly -adapted for an justed to different sizes of shoes, and which will au- brace is secured to a shaft A on which is mounted a air-brake cock, it will be obvious that it may be ap- tematically regulate itself to right and left shoes. The ratchet B and a bevel gear ©. The latter are… … medium of the connecting rod J, will serve to continueInternet Archive · Public domain (published before 1931). Free to use for anything.
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