Kirkman, Marshall M. (Marshall Monroe), 1842-1921 · New York and Chicago, The World railway publishing company · leaf 353
le or other substance remain beneath thevalve B, by screwing in on the hand wheel, \al\c.\may be forced to a seat, thus rendering this valveremarkably safe against failure to close. 344 LOCOMOTIVE APPLIANCES. THE JOHNSTONE BLOW-OFF VALVE. This is a form of gate valve operated by a suitablelever at… … Johnstone Blow-Off Valve. The sliding valve is attached to the stem by meansof a stirrup, shown just under the valve, and whichloosely encloses it, and thus permits it to freely adjust LOCOMOTIVE APPLIANCES. 345 itself to the seat it forms at the side opposite the attach-ment to the boiler. By a…
Locomotives
Internet Archive · Library of Congress · Public Domain Mark 1.0. Free to use for anything.
