. Railway and locomotive engineering : a practical journal of railway motive power and rolling stock . preferred. The die holder is of 50 point carbonsteel and the chasers are fitted into aslot milled from the solid, having abearing on two sides and the bottom,and each is held in place by one four chaser blocks are operatedtogether and each is independently-locked in its position by a special ar-rangement, which prevents any move-ment whatsoever. The head is ar-ranged for automatic opening and clos-ing or can be operated by hand, theconstruction of the head being suchthat when openin
. Railway and locomotive engineering : a practical journal of railway motive power and rolling stock . preferred. The die holder is of 50 point carbonsteel and the chasers are fitted into aslot milled from the solid, having abearing on two sides and the bottom,and each is held in place by one four chaser blocks are operatedtogether and each is independently-locked in its position by a special ar-rangement, which prevents any move-ment whatsoever. The head is ar-ranged for automatic opening and clos-ing or can be operated by hand, theconstruction of the head being suchthat when opening automatically itdoes not leave a finn or burr thelength of the chaser at the end of thethread because of its radial action. Purdue Bulletin of Purdue University,Vol XI, No. 3, gives a very interestingdescription of the shops and engineeringlaboratories of this noted educational in-stitution. As is well known the equip-ment is the best and the admirable illus-trations presented in the bulletin gave onea good idea of the vast and substantialarchitectural and mechanical features that. Too Bad. Mr. Dooley says: What I object to iswhin I pay ten or fifteen cents fr amagazine expectin to spind me aveninimprovin me mind with th latestthoughts in advertisin to find more thana quarther iv th whole book devoted tolithrachoor. DIES OPEN. distinguished the establishment. In re-gard to the work done in the workshops,the greater number of patterns and cast-ings are the product of the shops, and thegreater part of the machinery and equip-ment has been manufactured there. The 232 RAILWAY AND LOCOMOTIVE ENGINEERING. May, 1911. interior views of the shops have a business look about them that is railway laboratories are the mostcomplete in America and embrace theentire department of motive power, whilethe Master Car Builders apparatus usedin every kind of car work is located copy of this Bulletin might well be inthe hands of students who anticipate tak-ing
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