d after fully developing, the zinc plate be washed first with conveniently and rapidly, has been patented by Mr. John R. up by the steam. Knuth, of New York city. spirit and then with water, and now allowed to become per- To accomplish the first result a series of flues are arranged Messrs. William… … work. The boiler is especially adapted to lize such horse cars without material changes. steam fire engines and other forms of portable LA FRANCE'S PATENT STEAM FIRE ENGINE BOILER, The invention consists in a boiler made in engines where both compactness and great twoportions,separated by a mediate…
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