Kirkman, Marshall M. (Marshall Monroe), 1842-1921 · New York and Chicago, The World railway publishing company · leaf 219
Fig. 4. Crosby Single Bell Chime Whistle. Fig. 5.Ashcrofts Four-Tone ChimeWhistle. porated as a part of its construction, in the placeof the ordinary whistle valve. It has been found byexperience that whistles, when used under the highpressures which are to-day in almost general use,are sounded or…
Locomotives
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