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Scientific American, Vol. 80, No. 12 (1899) (1899)

leaf 4

An illustration from Scientific American, Vol. 80, No. 12 (1899), 1899, leaf 4
he base-plate and slide, or to ployed not materially affecting the general construc- substitute for the slide one or more suitably ribbed tion of the actuating parts. The devices described and slotted auxiliary slides of the general character may be attached to any planter already constructed ;… … pawl is the main jaw of the wrench, on which the ad- sent a verdant appearance. A roadway 25 feet in justing-jaw slides. On the main jaw, concentric with width will wind spirally up toa level of 240 feet, and its pivot, segmental ratchets are formed which coact will be decorated with climbing…

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