and Roman Blaser, 405 feet by 05 feet, four stories high; pattern-house, 329 time to time, as occasion may require. of Chicago, 111., for cleaning clay and removing all the by 34 feet, three stories high ; forge-shop, 232 by 54 The patent is dated May 10, 1859, and the inventors foreign substances.… … next morning there was not one to be found in the room, whole machine, and Pig. 2 is a vertical section of the se- tion of the river above. The length of the dam, exclu- though the window had been left open all night." parating device at right angles to Pig. 1. The box, A, sive of the stone…
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