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Scientific American, Vol. 64, No. 3 (1891) (1891)

leaf 3

An illustration from Scientific American, Vol. 64, No. 3 (1891), 1891, leaf 3
height weighs 58 pounds; a span of 10 feet weighs, for shown only by the firing of projectiles, the sound it- powerful dynamos were burnt off, thus breaking the cir- self giving no exact indication as to the point oc- the three string pieces, 6234 pounds, for the five hurdles, cuit and cutting off… … mocks, level the earth, and cut off or draw up growing brush. It has been patented by Mr. Peter M. Thomp- son, of Anaconda, Montana. In the forward part of ments of a span and one trestle. The parts can, there the frame, journaled in its side beams and an inter- fore, be made at quitea distance…

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