sity of Berlin, where he devoted much STEAM VALVES, ETC., AT THE FAIB. do not care what they spend. Consider what sums time to researches on electricity. Professor Helmholtz An interesting exhibit in Machinery Hall in the way they have laid out over the Exhibition. ' We do not was invited in 1887… … balanced to work like a poppet valve. THE WORLD'S COLUMBIAN EXPOSITION-EXHIBIT OF THE ROE STEPHENS sion, whereas oil gas loses only about The Michigan automatic injector, the MANUFACTURING COMPANY. 10 per cent. The plant which supplies Crescent ejector, and union elbows for the gas for the Broadway…
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