A COUPLING FOB THE AIB PIPES OF BAILWAY- gether, so as to form a pair of tongs. One of these The implement is the invention of Isaac Smith, CABS. levers carries a single jaw, and the other a double jaw. South Bend, Washington. In the accompanying illustration we illustrate a The single jaw is… … more than is necessary to hold the nut securely. SINCLAIB'S TBAINPIPE COUPLING. If it be so desired, a receptacle its sections can be automatically connected, and which can be hung from the double jaw is so mounted that it can move vertically and horizon- in order to receive a nut after hav- ing…
