Iles, George, 1852-1942 · New York : Henry Holt and company · leaf 449
n how GeneralTilghman was first impelled to experiment with his sandblast, came at last to the Franklin Institute, in SeventhStreet, Philadelphia, that most venerable storehouse ofscience in America. There, in the Journal of the Institutefor 1871, was a record by Mr. Coleman Sellers, an… … TiLGHMAN Sand Blast Working parts of upright machine: i, Main frame. 4, Blastframe. 11, Blast jet. 19, Sand-feed hopper. 20, Sand pipe. 22,Round rubber ring. 23, Round rubber ring. 24, Sand jet. 25,Chilled tube, in which sand and steam mix. 26, Cone. BENJAMIN C. TILGHMAN 383 induced him to repeat…
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