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Scientific American, Vol. 61, No. 16 (October 1889) (1889)

leaf 3

An illustration from Scientific American, Vol. 61, No. 16 (October 1889), 1889, leaf 3
ch way that the moving of the links to a allowing the oil to pass down between the spindle and New York City. the metal packing thimble. As the spindle is revolved, horizontal position causes the door to rise and swing * < i > »» inward, as shown in Pig. 2, while, by moving the links sufficient oil… … McINTYBE'S FREIGHT CAB DOOR. been patented by Mr, John Williamson, of SCH0EN AND FRIEDENSTEIN'S DOOR BOLT. © 1889 SCIENTIFIC AMERICAN, INC.

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