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Scientific American, Vol. 95, No. 7 (August 1906) (1906)

leaf 10

An illustration from Scientific American, Vol. 95, No. 7 (August 1906), 1906, leaf 10
e harp. A spiral all previous de- his meat-preserving discovery. Afterward, while on spring in the tube and coiled about the rod serves to signs. The pipe has the Pacific coast, he befriended an old sea captain, press the auxiliary wheel outward. Both of the wheels the appearance of a who claimed… … tures, this cord AN IMPROVED TROLLEY. and. in front of the wheels. Upon encountering any the holder and the should be pull- deviation in the tracks, this device is automatically body of the pipe. In use the bottom section of the pipe moved down, the ed, so that when the pole is put into operation,…

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