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 191
m at a highinitial cylinder pressure with short valve travel, and it isespecially adapted to high speed engines working inshort cut-offs. This valve is of the D type. PISTON VALVE. The piston valve derives its name from its con-struction. It consists of two pistons PP, connected bya stem which is… … PLATE 58. Plate 59 shows the piston valve in the bushing, andcylinder.v Plate 60 shows a section through the saddle and cyl-inder. V represents the piston valve, C the cylinder, Ethe exhaust and S the steam passage. Plate 61 shows the piston valve bushing. The longi-tudinal strips or bridges are…
Locomotives
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