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Scientific American, Vol. 80, No. 22 (1899) (1899)

leaf 4

An illustration from Scientific American, Vol. 80, No. 22 (1899), 1899, leaf 4
ll as of the spoken language, has shown panying illustration possesses many of these. features that not more than five thousand are in general use, tp A FEED-WATER PURIFIER AND SKIMMER FOR while four thousand are ample for almost every pur- BOILERS. pose. The typewriter which Dr. Sheffield invented… … be seen a little crank, one turn of which inks the type, A FEED-WATER PURIFIER AND besides having a high electromotive force and a larger while a small hammer forces the paper against the BOILERS, current discharge in proportion to its size than is usual type, leaving a clear impression. The type…

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