on therein. This piston most favorable results. gas supply pipe and the air supply pipe are both in- H. R. Leighton & Co., bankers, are the financial rep- closed by a tube leading down to the main frame of resentatives of the company and their offices at 246 the lamp. The gas passes down the right… … near its upper end, from which a small DIAGRAMMATICAL VIEW OF THE SECTION OF THE PUMP CENTURY LIGHTING SYSTEM. channel, j, connects USED FOR COMPRESSING with one of the gas THE AIR,
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