. American engineer and railroad journal . ening it to chamber B. Theweights corresponding to the pressure desired, less 5 by the stand and piston, are placed on the stand,and the screw plunger in C is forced inward until the pus-sure acting mi the piston 1 raisesthe weights, at which timethe gauge will, if properly adjusted, show the pressure indi-cated by the weights. The screw plunger can be turned so asto raise the weight piston up and down, thus eliminating anychance of error by its sticking in the cylinder. The frequent necessity tor doing pipe work and for makingalteration
. American engineer and railroad journal . ening it to chamber B. Theweights corresponding to the pressure desired, less 5 by the stand and piston, are placed on the stand,and the screw plunger in C is forced inward until the pus-sure acting mi the piston 1 raisesthe weights, at which timethe gauge will, if properly adjusted, show the pressure indi-cated by the weights. The screw plunger can be turned so asto raise the weight piston up and down, thus eliminating anychance of error by its sticking in the cylinder. The frequent necessity tor doing pipe work and for makingalterations and repairs to piping in close and cramped quar-teis has brought several ratchef die slocks on the usually require that the Inner purchase a completestock in order lo avail himself of the ratchet. The Armstrong Manufacturing Company, Bridgeport, Conn.,however, recently perfected ratchet attachments fitting theirvarious sizes of stocks, which are easily attached to or re-moved from the stock by simply removing a thumb
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Keywords: ., bookcentury1800, bookdecade1890, booksubjectrailroadengineering
