The boys' book of engine-building; . CROSS Fig. 44. Steam Pipe Fittings elbows, Ts and crosses made of brass Vs inchand %e inch in diameter are sold under the nameof brass sockets by the Ideal Aeroplane and Sup-ply Co., 82-86 West Broadway, New York City,and the Wading River Mfg. Co., Wading River,Long Island, N. Y. Regular steam pipe and fittings like thoseshown in Fig. 44 can be bought in % inch and 112 The Boys Book of Engine-Building %6 inch sizes, outside diameter, of Luther and Co., 132 Milk Street, Boston,Mass., and the Chicago Model Works, 166 WestMadison Street, Chicago, 11
The boys' book of engine-building; . CROSS Fig. 44. Steam Pipe Fittings elbows, Ts and crosses made of brass Vs inchand %e inch in diameter are sold under the nameof brass sockets by the Ideal Aeroplane and Sup-ply Co., 82-86 West Broadway, New York City,and the Wading River Mfg. Co., Wading River,Long Island, N. Y. Regular steam pipe and fittings like thoseshown in Fig. 44 can be bought in % inch and 112 The Boys Book of Engine-Building %6 inch sizes, outside diameter, of Luther and Co., 132 Milk Street, Boston,Mass., and the Chicago Model Works, 166 WestMadison Street, Chicago, 111. Taps and Stop-cocks.—A small brass tap orstop-cock half size shown at A in Fig. 45 can bebought for 50 cents, a larger one for 65 cents anda still larger one for 75 cents. A good way to make a stop-cock is to cut off H°PLUQ MNDLE czQti. Plt/G BODY Fig. 45. A Brass Stop-cock. (Full Size.) a piece of brass rod the size you want it and drilla hole through it from end to end, the diameter ofwhich should be about half the diameter of therod. Next drill a plug hole for the plug through themiddle of the stop-cock body as shown in thecross section drawing at B in Fig. 45, ream it outto make it slightly conical, and drill a holethrough the body opposite the plug hole for a Fittings for Model Engines 113 screw. The plug, which is a conical piece ofbrass, must fit into the plug hole nicely and havea hole drilled through it as is also shown at a %6-inch hole in each end and threadthem. The next operation is to grind the plug to makeit fit the plug hole steamtight; to do this make agrinding paste of fine emery mixed with a fewdrops of sewing machine oil and thinned downwith kerosene. Rub the mixture on the conicaledge of the plug, then set the plug in the plughole and turn it around forth and back but dontpress too hard o
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Keywords: ., bookcentury1900, bookdecade1910, bookpub, booksubjectsteamengines
