. Modern mechanism, exhibiting the latest progress in machines, motors, and the transmission of power, being a supplementary volume to Appletons' cyclopaedia of applied mechanics . Fig. 5.—Brake-valve—Detail. carried inium, the by the spring 20 of the proper resistance, a proportionally greater pressure is thus cathe main reservoir. In this position of the handle, the piston 17 remains in equilibntrain In-ake-pipe and chamber I) being in open communication, through port /, cavity c, andporta. Figs. T), G. 7, 8 show parts in detail. , , -,, o • w .i ?,? f To applv the brakes for any ordinary pu
. Modern mechanism, exhibiting the latest progress in machines, motors, and the transmission of power, being a supplementary volume to Appletons' cyclopaedia of applied mechanics . Fig. 5.—Brake-valve—Detail. carried inium, the by the spring 20 of the proper resistance, a proportionally greater pressure is thus cathe main reservoir. In this position of the handle, the piston 17 remains in equilibntrain In-ake-pipe and chamber I) being in open communication, through port /, cavity c, andporta. Figs. T), G. 7, 8 show parts in detail. , , -,, o • w .i ?,? f To applv the brakes for any ordinary purpose the handle 8 is moved to the position forlervice stop All communication with the main reservoir is thus destroyed, and the air niamber I) is cut oif from the train brake-pipe. The cavity yj of the rotary valve 13 cou- servch nects i)orts eand h, and air from the chamber J) discharges to the atmosphere. A pressuregauge, connected to the chamber i> at IV^ndicates when the pressure has been sufficientlyreduced bv the discharge of air, and the handle 8 is then moved back as far as the position
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Keywords: ., bookcentury1800, bookdecade189, booksubjectmechanicalengineering
