. Locomotive engineering : a practical journal of railway motive power and rolling stock . ed. Mr. Chase, the general fore-man of the Manchester LocomotiveWorks, devised a way to cut bolts afterreduction of the diameter at the centerby forging, and still preserve the pitch ofthe thread constant for the two ends; tint S44 LOCOMOTIVE ENGINEERING. July, 18 is, the same as if cut on a continuous , it consisted of two half dies whosefunctions were to carry and guide the endof the bolt first cut, they being in linewith the cutting dies and adjustable to anylength of bolt. To set the gui
. Locomotive engineering : a practical journal of railway motive power and rolling stock . ed. Mr. Chase, the general fore-man of the Manchester LocomotiveWorks, devised a way to cut bolts afterreduction of the diameter at the centerby forging, and still preserve the pitch ofthe thread constant for the two ends; tint S44 LOCOMOTIVE ENGINEERING. July, 18 is, the same as if cut on a continuous , it consisted of two half dies whosefunctions were to carry and guide the endof the bolt first cut, they being in linewith the cutting dies and adjustable to anylength of bolt. To set the guides, it wasonly necessary to place a hob or tap inthem, and at the same time in the cuttingdies, and clamp the guides in place. It is trospective mood, could he see how re-morselessly old things are ripped out andreplaced with new. There are signs onevery hand that the dead past is buried,and that the future is to be untrammeledwith points not essentially modern. Inline with this spirit is the destruction ofthe old original Winans camel engines,the last of which are now being scrapped;. 18-ILocontotifi Engineering B. & O. PNEUMATIC ELEVATOR. plain that a bolt so cut will have a threadsimilar to that cut on a continuous sur-face. Mount Clare Shops. The progress made in the rearrange-ment of tools and in placing the wlioleplant comprising the Baltimore & Ohio»hops at Mount Clare, on a basis sure togive flattering returns, is changing theincrior face of the old landmark so thatthe old-timer would easily fall into a re- and we confess to a fedling of regret thatone of these cannot be saved as a reminderto those of succeeding years that Winanswas far ahead of his time in locomotivedesign, for such an exhibit would carryconviction where the most gifted historianwould fail. As in the case of all old shops, the kindof tool equipment and arrangement ofsame require extensive and vigorous treat-ment to bring it up to the proposed neworder of things, which had in view the in-auguration of
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