o engage the inner surface of the cylinder. In prac- window ledge, and the top of the frame on to which Patent BRO) a v tice the springs C, pressing against the blocks B, hold the window sash is lowered, are provided with weather =) the segments D in firm contact with the cylinder, and strips of… … ers are slotted to receive threaded studs projecting from the pillow rests and, by means of thumb nuts on these studs, the is compensated for, and leakage of steam from one side rest may be secured at any desired position. Our en- shows at A a vehicle spring of common type. Mounted of the piston to…
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