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J. Ruggles.
Traction Wheels.
№ 1.Patented Jul. 13 1836
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NORRIS PETERS LITHO. WASHINGTON D. C.
Page:United States patent 1.pdf/1
J. Ruggles.
Traction Wheels.
№ 1.Patented Jul. 13 1836
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Fig. 7.
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Fig. 6. |
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NORRIS PETERS LITHO. WASHINGTON D. C.