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Scientific American, Vol. 19, No. 21 (November 1868) (1868)

leaf 7

An illustration from Scientific American, Vol. 19, No. 21 (November 1868), 1868, leaf 7
n it has been treated escaping steam. Fig. 2 shows the valve lifted from its seat, ments of our rules governing the use of lock safety valves, nine or ten times in this manner, it becomes brown. As long the arrowsshowing the direction taken by the escaping steam. and ehall apprise the several local… … tal from the attacks of the Bourguignons and the English, charcoal, and of three times the value of the timber made afterward served the purpose of a state prison. Henry IV. Mr. Ashcroft has received equally flattering letters from use of. It is therefore quite clear that good gas can be pro-…

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