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Scientific American, Vol. 40, No. 6 (1879) (1879)

leaf 15

An illustration from Scientific American, Vol. 40, No. 6 (1879), 1879, leaf 15
, Conn. SREAT FACILITIES FO clusive monopoly to his discovery among about ONE ANB wu Pk ine HUNDRED AND FIFTY MILLIONS of the most intelligent DAMPER AND WEIGHTED REGULATORS B E S T GAUGE COCKS. people in the world. The facilities of business and Chromo and Perfumed Cards [no 8alike), Name in… … DIAMOND ROCK DRILLS forthe Pittsburgh Water Works we have tested it through a great range of work, and it has in every matance exe ceeded our best-formed expectation of its capabilities. We have cut at the sinking heads, and bored, faced, and eutee and mechanic, and is a useful hand book of refer-…

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