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Scientific American, Vol. 57, No. 10 (1887) (1887)

leaf 4

An illustration from Scientific American, Vol. 57, No. 10 (1887), 1887, leaf 4
which may be sim- namely, length of spoke and gt anerated to purmit tha tauning of = kat, axies wnose centra. portions are @ 1 up or jogge TREACY AND WRNCHELL’S CANWOrT—9emsss.— —- the attachments being easily adjustable independently down, forward or backward, can Ke readily set with of each other… … N. Y., and is shown in the accompanying illustration, | its correctness, are, first, that it be of such dimensions a patent for the device having recently been allowed. that the size of field is sufficiently large for easy obser- The body of the attachment is preferably constructed In our…

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