. Railway and locomotive engineering : a practical journal of railway motive power and rolling stock . al railroadshops induces us to call attention to theleading characteristics of the machines,so that those who may not have an op-portunity of witnessing the degree of per-fection at which they have arrived inaccomplishing the work icir which theyare designed may form sonic idea as totheir superiority. The head, which is themain feature of the machine, locks withinitself and produces the effect of a soliddie, tlicreby relieving the yoke of all cut-ting strain. It is opened and closed auto-mati


. Railway and locomotive engineering : a practical journal of railway motive power and rolling stock . al railroadshops induces us to call attention to theleading characteristics of the machines,so that those who may not have an op-portunity of witnessing the degree of per-fection at which they have arrived inaccomplishing the work icir which theyare designed may form sonic idea as totheir superiority. The head, which is themain feature of the machine, locks withinitself and produces the effect of a soliddie, tlicreby relieving the yoke of all cut-ting strain. It is opened and closed auto-matically by the forward and backwardmovements of the carriage. This mechan-ism is controlled by means of a trip rodby which an adjustment for any desiredlength of thread may be obtained. Thevises have a horizontal side-wise as wellas a vertical centering adjustment. Thisinsures perfect and permanent alignmentwith the die. The frame is of a boxstructure, and is cast in one piece. Thecone pulley is mounted on top of the ma- damp engages the upper side of the dove-tail on the back of the chaser. A small. I,.\NniS I [NCII . ■) BOLT CLTTKK. rOR HOLTS .\NI) NUTS IKOM 4 IX. TO 1 IN. spring beneath this clamp causes it to re-lease the tool when the screws are slack-


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Keywords: ., bookcentury1900, bookdecade1900, bookidrailwaylocom, bookyear1901