upola with a closed top ; the smoke or gas was con- published in a late issue of the London Engineer. The statement, for the mechanism in the interior of the veyed through sheet iron tubes under the floor of the blow- motive agent employed in this engine is explosive gas. cylinder must soon become… … the best scientific journals of Great Britain, France, and Germany ; thus placing in our possession all that is transpiring in mechanical science and art in those old countries. We shall continue to transfer to our columns copious extracts from these journals of whatever we may deem If one volume…
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