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Scientific American, Vol. 62, No. 14 (1890) (1890)
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upper surface of the plug, the lead is melted the packers were immediately blown out. Another at- and runs down into the firebox, followed by tempt will be made to pack this monster well. It has the steam, which gives an alarm and extin- increased 2,000,000 feet since it was drilled, and is now… … A. Loughry, of Odessa, Nebraska. used in swords. These serve as a spring that has seve- CRONIN’S IMPROVEMENTS IN STEAM BOILERS, © 1890 SCIENTIFIC AMERICAN, INC.Internet Archive · Public domain (published before 1931). Free to use for anything.
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