Mechanical Contracting & Plumbing January-December 1908 . Leading Device of Hart Pipe Die Slock. View from above when on a Piece of Pipe and Ready todo the Threading. made of concrete, galvanized sheet ironor copper,, contains the spray waterwhich is circulated by hydrostaticpressure by means of a centrifugalpump. The illustration is a view show-ing the spray chamber and eliminator. HART PIPE DIE STOCK. The Hart Mfg. Co., Cleveland,- Ohio,makers of Buckeye tools for thread-ing pipe, have issued a special cata-logue descriptive of their die of these tools, the Die Leading De-vice, fo
Mechanical Contracting & Plumbing January-December 1908 . Leading Device of Hart Pipe Die Slock. View from above when on a Piece of Pipe and Ready todo the Threading. made of concrete, galvanized sheet ironor copper,, contains the spray waterwhich is circulated by hydrostaticpressure by means of a centrifugalpump. The illustration is a view show-ing the spray chamber and eliminator. HART PIPE DIE STOCK. The Hart Mfg. Co., Cleveland,- Ohio,makers of Buckeye tools for thread-ing pipe, have issued a special cata-logue descriptive of their die of these tools, the Die Leading De-vice, for which patents are pending,has several features which are quite dis-tinctive. Instead of a leader screw or-dinarily used with the narrow, expand-ing style of dies, a leader ring has beenadopted, which automatically causes the viewed from above on a piece of pipeready to do the threading. CANADIAN GAS ASSOCIATION. The first annual meeting of the Can-adian Gas Association was held at theKing Edward Hotel, Toronto, Canada,on Friday and Saturday, June 26 a
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