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 186
ing theforward and backward motion to the valve, shutting offthe admission of steam to the cylinder and opening theexhaust port J just before the piston has completed itsstroke. The steam then passes out through the same steamport H through which it entered, either by the end ofthe inside admission… … PLATE SI Steam Admission. Steam is admitted to the steam-chest through two channels AA (Plate 51), called steampassages, which are cast in the cylinder. These pas-sages terminate in a smooth flat surface BB called thevalve-seat. The openings CC are the steam ports. Be-tween them is another cavity…
Locomotives
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