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Scientific American, Vol. 52, No. 22 (May 1885) (1885)

leaf 7

An illustration from Scientific American, Vol. 52, No. 22 (May 1885), 1885, leaf 7
arting up, he will to the lever, but from the latter a short rod is suspend- Any further particulars regarding this boiler cleaner ed, which works into a semicircular groove, allowing it open the blow-off valve, in order to get rid of the sedi- may be had by addressing the inventor and manufac-… … IMPROVED PORTABLE ENGINE. effect upon vegetation of fine surface. The cast- nitrate as compared with ing should be well dried other nitrogenous preparations; and directions are also boiler. Tke water thus blown out carries with it an before treating it with the sulphate solution, and to be given…

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