Who invented the first chainsaw and around what year?

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'Orthopedics became a specialty with the help of a new instrument, the osteotome, invented around 1830 by the German Bernard Heine. An illustration from a contemporary inventory of surgical tools shows clearly that this clever master of prosthetics had in fact invented the chain saw. The links of the chain carried small cutting teeth with the edges set at an {angle;} the chain was moved around a guiding blade by turning the handle of the sprocket wheel.' Several major manufacturers of chain saws claim to have invented the first chain saw and all their claims point to the 1920s. However, the 1830 osteotome would pre-date them all. http://inventors.about.com/library/inventors/blchainsaw.htm Apr 24 03, 12:14 AM

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