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An Improved Ice Plow
1892
Scientific American
J tieutifit �metitau. 'rhe Clashing of Atolns. AN IMPROVED ROTARY ENGINE. child recognized and played with its parents. With Professor John Tyndall, one ot the highest authori-'1'he engine shown in the accompanying illustration the exception of a few slight muscular twitchings, ti("'; 011 matters of uatura! philosophy, says of this: is designed to be very effective in operation, utilizing recovery was uninterrupted, and the child was dis· •. It is to the cIashing together ot the oxygen of the
doi:10.1038/scientificamerican03261892-194
fatcat:uaupg7ftrvhwlh7lklva2s2jki