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Scientific American, Vol. 58, No. 9 (1888) (1888)

leaf 10

An illustration from Scientific American, Vol. 58, No. 9 (1888), 1888, leaf 10
requent occasion to ob- diameter. It is well to have the front end squared out. Across the front astrip of wood is left about one-half with a certain draught, requires at other times a much of the thrashing machine, measures and registers it, inch wide. Exactly in the center of this strip a slight… … By using a single marble and placing the connections of his motor to the proper wires, apparatus on rollers, on projecting the mar- and the alarm having notified the central sta- has been patented by Mr. George R. Kendrick, of Bucy- ble, the distance to which it will go will be much tion, the…

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