the plunger is re- open, but may be closed by moving the pusher fully An apparatus for supplying purified air to a room, back in the pan, the forward end of which is normally ciprocated by the pitmen, by bell crank lever arms, on by bringing an incoming current into contact with each side, through… … machine to wash and separate mineral ores, the waste being lighter is passed into the transverse trough, while the antiseptics, the air then passing through a heating concentrates of mineralare taken up chamber, is illustrated herewith, and has been patent- by the elevator. Several of these ma- ed…
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