File:Transactions (1871) (14576874847).jpg

Identifier: transmining14amer (find matches)
Title: Transactions
Year: 1871 (1870s)
Authors: American Institute of Mining, Metallurgical, and Petroleum Engineers
Subjects: Mineral industries
Publisher: New York (etc.)
Contributing Library: Robarts - University of Toronto
Digitizing Sponsor: University of Toronto

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Text Appearing Before Image:
17 feet; total length of conduit, from Ato the cylinder-top, 75 feet; total length of conduit to the cylinder-bottom, 46 feet; average, 60.5 feet. Time was taken by a seconds-pendulum, the distance marked fortime-measurements being 70 feet 6 inches. The temperature of theblast in main A was 110° F.: in cylinder, 60° F. When the piston was on top and the cage on the bottom, 600pounds on the cage were required to balance ; and when the cage wason the top 1280 pounds were required; demonstrating that therope removed from the inside to the outside of the cylinder, weighed340 pounds, and that the carriage when empty weighed 940 poundsless than the piston. The average friction marked in the table is the total dead weightrequired to effect the average motion of the experiments within thebrackets, and was calculated by deducting the load, plus the counter-resistance, from the head pressure. Though the friction was verysmall, the piston was tight. 148 THE FLOW OF AIR AND OTHER GASES. Fig. 1.
Text Appearing After Image:
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