Appleton's dictionary of machines, mechanics, engine-work, and engineering (1861)
Appleton, firm, publishers, New York. (1852, D. Appleton & Co.) · New York : D. Appleton · leaf 798
n the steam is at the working pressure in the boiler; and when the wire is so adjusted it isfixed by the set-screw 0. From the upper end of the wire in the tube N, proceeds the wire to the bellapparatus P Q for the engineer, and at R S in the office; thence the wire proceeds to the battery A L.By… … * Mr. Charles W. Copeland, 66 Broadway, is the general agent for the sale of the gage. 788 GAUGES. wire, completes the electric circuit, and the bells will continue to ring. If desired, the tube N maynave a graduated scale to indicate the temperature at sight. 1975.
Mechanical engineering
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