is a recessin the lower end of the plunger tomake that part sufficiently elasticto provide a seal without grindingin the seat. It is upon this recessin the plunger that the patents arelargely based. The valve is opened by turningthe knurled post, shown in the illus-tration herewith, one and… … Cut-away view ofall metal tirevalve showingconstruction. Thevalve is the sameoverall dimensionas type now inuse obtained, it is closed by turning the knurled post to theright until the plunger is seated. IN the course of a lecture to the Association of DropForgers and Stampers in Birmingham, Mr.…
Automobiles · Aeronautics
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