Appleton's dictionary of machines, mechanics, engine-work, and engineering : illustrated with four thousand engravings on wood ; in two volumes (1873)
D. Appleton and Company · New York : D. Appleton and Co. · leaf 790
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 ajrent for the sale of the eape. 83 GAUGES. wire, completes the electric circuit, and the bells will continue to ring. If desired, the tube N mayoave a oraduated scale to indicate the temperature at sight.
Mechanical engineering · Mechanics · Engineering
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