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Scientific American, Vol. 94, No. 7 (February 1906) (1906)

leaf 10

An illustration from Scientific American, Vol. 94, No. 7 (February 1906), 1906, leaf 10
anics. The pulling force is the power, and it conveniently grasped by the puller. diameter of the car wheel should it wear down, and is exerted through a rope attached to the lever, and The lever1 is adjusted to a horizontal position for besides the apparatus can be adjusted if need be running over… … the apparatus with ground heel-supports, their pulling When bees are busy in the afternoon collecting water AN AUTOMOBILE ROAD INDICATOR. THE DEVICE TELLS varied from 125 to 210 pounds; and without these sup- upon the leaves of the aquatic plants, they do not THE CHAUFFEUR HIS EXACT LOCATION AT ANY…

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