. Railway mechanical engineer . Single and Double McLaughlin Flexible Connections gaskets on the vertical branch. The device hangs near thecenter of gravity and is claimed to be less liable to leak thanother similar devices. Should the main gasket become worn or bn 1. bei ause of excessive wear from the weight of the conduit,the upper gasket will still prevent leakage. The lower or hori-zontal part of the joint is of ample proportions, thus reducingthe friction through the joint to a minimum. \ consideration of importance in connection with this joint isthe freedom ol movement at all angles. P
. Railway mechanical engineer . Single and Double McLaughlin Flexible Connections gaskets on the vertical branch. The device hangs near thecenter of gravity and is claimed to be less liable to leak thanother similar devices. Should the main gasket become worn or bn 1. bei ause of excessive wear from the weight of the conduit,the upper gasket will still prevent leakage. The lower or hori-zontal part of the joint is of ample proportions, thus reducingthe friction through the joint to a minimum. \ consideration of importance in connection with this joint isthe freedom ol movement at all angles. POST HAMMER \ light power hammer has been placed on the market by M S Company, Chicago. The design is such that the hammeris easy to install wherever either steam or compressed air isobtainable. The high price of tool steel makes it a valuable adjunct inany machine shop, where it may be used to draw down shortpieces of tool steel, such as are usually scrapped, into small cut-. Post Hammer Driven by Steam or Compressed Air ting tools for use in lathe tool holders. It is adaptable to allclasses of light forging, as it may be easily handled by theblacksmith. The services of a helper are unnecessary. The hammer is provided with a patent valve movement, whichinsures perfect control of the blow. If the treadle is broughtdown to the limit of its movement, the ram will strike a hardfull blow, the same as a drop-hammer. When the treadle ispressed down part way the ram will give repeated blows, eitherhard or light, as may be required. The change from hard tolight blows is made instantly and smoothly. Truing Oilstones.—To true an oilstone, take a piece of softpine board of any thickness, about 8 in. wide and 3 ft. or 4ft. long. Lay it on a bench and fasten it with a handscrewor other clamp. Put on some clean, sharp sand screened about asfine as that used for plastering work. Use no water, and rubthe stone back and forward over the board in sand. This willgive a flat
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Keywords: ., bookcentury1900, bookdecade1910, booksubjectrailroadengineering
