Kirkman, Marshall M. (Marshall Monroe), 1842-1921 · New York and Chicago, The World railway publishing company · leaf 130
of the muffler reduces the noise of the escaping steam to a minimum. Thisfeature frequently prevents the frightening of horsesand also the annoying interruptions to telegraphorders at stations, should the Locomotive be blowingoff. The valve is guarded above and below the seat; atthe latter point by… … 122 LOCOMOTIVE APPLIANCES. The central sectional guide bearing for the valvestem consists in dividing the ring bearing into arcsections between the arms, in order to overcome theeffect of uneven expansion and contraction of metals.By this method the guide bearing insures verticalreciprocation of…
Locomotives
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