Practical instructor and reference book for locomotive firemen and engineers: a practical treatise .. (1916)
Lockhart, Charles F. (Charles Fulton), b. 1872 · New York, The Norman W. Henley publishing co. · leaf 62
indle part ofthe valve and exhausts it at the outer ends. 200. An outside admission valve is one which admitssteam to the cylinder from the outer ends of the valve andexhausts it through or around the inside part of the valve.A piston valve is shown in Figs. 5 and 6. 201. The valve seats are… … 60 LAP valve packing rings from catching on the edges of theports as the valve moves over them. LAP 202. When speaking of lap, as applied to the valvesof a locomotive, we mean that part of the valve which
Locomotives
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