. Railway and locomotive engineering : a practical journal of railway motive power and rolling stock . e is placed just ahead of the combus-tion chamber, and is mounted over anopening of suflicient size to permit en-trance to the boiler for inspection pur-poses. matically. This compels escaping steamto blow through the grates and front endand prevents it entering the cab. Someserious accidents have been averted bythis door. Unless operated by the fire-man it will not open, even if the engineturns over. Because of the quick closingfeature of the Franklin fire-door, lia-bility of running signals
. Railway and locomotive engineering : a practical journal of railway motive power and rolling stock . e is placed just ahead of the combus-tion chamber, and is mounted over anopening of suflicient size to permit en-trance to the boiler for inspection pur-poses. matically. This compels escaping steamto blow through the grates and front endand prevents it entering the cab. Someserious accidents have been averted bythis door. Unless operated by the fire-man it will not open, even if the engineturns over. Because of the quick closingfeature of the Franklin fire-door, lia-bility of running signals due to glare fromthe firebox is reduced. T€ FOR GAUCIN,; ARCH TuMtS PL*Ct AS Shown WhilE Roilinc Tuee Baldwin Loco. Works, Builders. motive, and it is intended to reduce timeat terminals, increase time of service andso add to the earning power of the en-gine. By the use of this ingenious mechanismfires may be kept clean on the road asthere is a method of limiting the move-ment of the grates. This permits thetouching up, as one might say, of thegrates so as to give the fire a gentle shake. SECURITY FIRE BRICK ARCH USED IN B. & L. E. FREIGHT 2 10 . The grate shaker here referred to con-sists of two cylinders, a control valve andconnections between the cylinders and thegrates. The cylinder in each case takessteam at one end wliich moves the piston and cylinder are open to theair in the centre and the two points of adouble cone in the cylinder act upon a without the fear of dumping it. A firemay thus get a new lease of life by loosen-ing it up so that the air required for com-plete combustion may readily get at theglowing mass. Any section of grate,or a combination of sections or the entiregrate may be shaken or touched up otcompletely dumped out as desired. The 400 RAILWAY AND LOCOMOTIVE ENGINEERING. December, 1916. device entirely takes away from the fire-man any necessity for physical ,and as it works mechanically it does itswork better than a man c
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