Locomotive text for engineers and firemen; a complete treatise on the engine, electric head-light and standard code of train rules (1908)
National correspondence school of railroading, Chicago. [from old catalog] · [Chicago] · leaf 190
e obtains the same result, but uses circular taperingrings. Plate 56 shows one ring A removed from disk B.These rings are fitted on a cone-shaped disk B, and area spring within themselves. When the steam is admittedto the chest, it exerts a pressure on the entire outside faceof ring A. This causes… … PLATE S6.Double Cone American Ba/ancera/ve. The hole D is drilled through the top of the valveto allow any steam passing by the strips or rings toescape to the exhaust, without destroying the balancefeature of the valve. The Allen Ported Valve. With the plain slide-valve it has been found difficult…
Locomotives
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