. Railway and locomotive engineering : a practical journal of railway motive power and rolling stock . ncy TestN of Boilers, Enf^lnt^N and Loco met! Ten. 211 rConcise Answers(straight Questions HandlingLocomotives Instruction inCatechism formFor Firemenand EngineersExaminations By W. O. THOMPSON Price 50 Cents valve 10 a double seat valve very quickly,which is an advanlaKe where a shopis run with stationary engine condensingat one season and non-condensing at an-other. Ihe John Davis Company will behappy to send the catalogue to any onewho applies to them for it. New No. 109 Automatic Band Rip
. Railway and locomotive engineering : a practical journal of railway motive power and rolling stock . ncy TestN of Boilers, Enf^lnt^N and Loco met! Ten. 211 rConcise Answers(straight Questions HandlingLocomotives Instruction inCatechism formFor Firemenand EngineersExaminations By W. O. THOMPSON Price 50 Cents valve 10 a double seat valve very quickly,which is an advanlaKe where a shopis run with stationary engine condensingat one season and non-condensing at an-other. Ihe John Davis Company will behappy to send the catalogue to any onewho applies to them for it. New No. 109 Automatic Band Rip Saw. If any of our readers have ripping torio, the machine here represented willuitliout doubt prove of considerable in-terest. The makers claim it will surpassin quality and amount of work done by,iny other of this class they may now beusing. It is original in every respectand has just been built, and is strong inall parts. The makers were the first tointroduce a machine of this kind andsince being placed on the market it hasproved to be a revelation to all thosewho have used it. It was patented. The straining device, which controlsthe upper wheel and the path of the .sawblade on the face of the wheels is newand very sensitive and is covered by let-ters patent. No matter what the vibra-tions may be the strain takes up theslack in the blade instantly, thus addingwonderfully to the perfect working ofthe machine and lengthening the life ofthe saw blades. The lower wheel is solid, lessening thecirculation of dust and giving itself in-creased momentum so that its speed gov-erns the upper wheel and prevents itfrom overrunning the lower. The ma-chine has three feeds and powerfullydriven feed rolls in and above the by a single movement of a leverthe machine can be instantly changed toa hand feed rip saw or the feed in-stantly stopped. Further particular can be obtainedfrom the makers, J. A. Fay & Egan Co.,of No. 445 West Front street. Cincin-nati. who will also send the
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