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Scientific American, Vol. 33, No. 9 (August 1875) (1875)

leaf 6

An illustration from Scientific American, Vol. 33, No. 9 (August 1875), 1875, leaf 6
n Cook's aager(Pig. 3) the cutting lips commence at the Yet another form is found in the tool (Fig. 10) sometimes to fell one tree. This tree point, and extend therefrom nearly at right angles, untij known as a button tool. It has an upright center standard, measured 92 feet in circumfe- . about… … Ccok'i Augtr. A.is.if. Aiifr. HoUow Auger. worm, and adjusted as to length by means of two temper screws formation o outting lips at any point on the length of the whose ends bear against the spi- spiral, by catting off the twist at any point in a plane ver- ral shaft. tical, or nearly so, to the…

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