. Canadian foundryman (1921). Style A^30° AngleValve, allows hoseto fall away fromunderside of Valvewithout , y» and3-4. Style F. W.—Four-Way Valve, is soarranged that movement of thehandle controls the supply and ex-haust from bothends of a doubleacting piston. PRESSPO The Air Pressureis always on theLarge endofMilvePlug holding itfirmly on

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Keywords: ., bookcentury1900, bookdecade1920, booksubjectfoundri, bookyear1921