. Railway and locomotive engineering : a practical journal of railway motive power and rolling stock . er for pipe from VAto 2 ins. by changing the handle to thigeared spindle. After the pipe has been threaded asimple motion of the hand wheel or levercauses the dies to open. The vise isloosened, the pipe pushed through untilthe desired length comes beyond the cen-ter point, then a few turns of the work-ing handle finish the cutting off, the ac-tion being automatic. All the parts ofthese machines are numbered, and arefitted to be interchangeable with othersof the same number. These machineswill
. Railway and locomotive engineering : a practical journal of railway motive power and rolling stock . er for pipe from VAto 2 ins. by changing the handle to thigeared spindle. After the pipe has been threaded asimple motion of the hand wheel or levercauses the dies to open. The vise isloosened, the pipe pushed through untilthe desired length comes beyond the cen-ter point, then a few turns of the work-ing handle finish the cutting off, the ac-tion being automatic. All the parts ofthese machines are numbered, and arefitted to be interchangeable with othersof the same number. These machineswill thread and cut off a ^:i-in. pipe in2/2 minutes, and a 6-in. pipe in 4 minutes,with proportionate time for intermediatesizes. As all the gears and bearings areenclosed in a dustproof oil chamber,lubrication is ensured, as well as pro-tection from dust, dirt and metal compactness and simplicity of thesemachines, together with their smallweight, have won for them a very largeand increasing market. All sizes up toNo. 00, shown in Fig. 2, which will cut4-in. pipe, can readily be moved about. FIG. 2. SMALL PIPE for outside work. The Armstrong , of Bridgeport, Conn., will be happyto give any further information on thesubject to anyone who will apply to themdirect. There has just come to our office avery neat and useful catalogue issued bythe Pratt & Whitney Company, Hart-ford, Conn., which has been got out bytheir small tool department. It is veryfinely illustrated, and contains informa-tion concerning taps and dies, die stocksets for bolt and pipe threading, millingcutters, slitting saws, Renshaw ratchetdrills, latlie tools, twist drills, boilerpunches, reamers, taper pins, etc. Thisis Catalogue No. 4, and supersedes allprevious editions. It gives hints onordering which are useful to intendingpurchasers. The price list is also included 292 RAILWAY AXD LOCOMOTIVE ENGINEERING June, 1907. on many of the pages. It contains 215pages, and is altogether a handy
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Keywords: ., bookcentury1900, bookdecade1900, booksubjectrailroa, bookyear1901
