. Locomotive engineering : a practical journal of railway motive power and rolling stock . xiliary compressor on thisand neighboring systems in the Far Westhaving heavy mountain grades. As shownby the cut. a iJ/J-inch pipe is tapped intothe top of the steam chest, and leads intothe main reservoir. In the pipe is a stop-i 01 1. winch is operated by a suitable rodfrom the engineers cab. There is also anon-return check-valve in the pipe, a fewinches from the reservoir. When the stopcock is opened and the reverse lever isplaced back of the center notch, bothsteam cylinders and pistons arc converte
. Locomotive engineering : a practical journal of railway motive power and rolling stock . xiliary compressor on thisand neighboring systems in the Far Westhaving heavy mountain grades. As shownby the cut. a iJ/J-inch pipe is tapped intothe top of the steam chest, and leads intothe main reservoir. In the pipe is a stop-i 01 1. winch is operated by a suitable rodfrom the engineers cab. There is also anon-return check-valve in the pipe, a fewinches from the reservoir. When the stopcock is opened and the reverse lever isplaced back of the center notch, bothsteam cylinders and pistons arc converte I intoaii compressors,which force air, drawn has earned its well-deserved popularity by through the nozzles, into the main reser-voir at a rapid rate. A safety valve pre-vents a too high and too rapid Sweeney, a Southern Pacific en-gineer, is the inventor. The Sweeney its ever-reliable assistance in supplyingpressure, ofttimes furnishing the entireamount itself at critical times on ourmany car trains on long, heavy downgrades. Should the air pump become ^l\i Safety Valve. »II 1l I I --ll ~1 /I / Locomotive Engtnet ring
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Keywords: ., bookcentury1800, bookdecade1890, bookidlocomotiveen, bookyear1892
