Machine drawing, a practical guide to the standard methods of graphical representation of machines, including complete detail drawings of a duplex pump and of a direct-current generator (1920)
Griffin, Charles Lewis, 1867- [from old catalog], Adams, Charles Clyde, 1882- [from old catalog] joint author · Chicago, American technical society · leaf 200
er overhangs the walls of thechest. The steam cylinder flange in order to correspond must like-wise be 15J inches X 11J inches. The reason this is done is becauseof the difficulty of making good matched joints between the cylinderflange, chest, and cover. The practice of thus leaving a little… … —1 --*H ] ■ ■* 1 . .£L 188 MACHINE DRAWING likely to match properly, and the slight overhang gives the finishedappearance of a sort of beaded edge. The valve is what is known as a square slide valve. Thismeans that when the valve is placed central on the ports its work-ing edges are square with the…
Machinery
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