. Locomotive engineering : a practical journal of railway motive power and rolling stock . ings of brass of a known quality aresealed in a glass tube, which is perfectlyair-tight. Drillings of any other sampleare put into tubes and compared with thecolor of the known sample. After a verylittle practice, a man, can tell in what par-ticular the brass to be tested varies fromthe sealed sample. The Westinghouse Company recentlyfurnished four of the electric lighting ma-chines used at the Worlds Fair, to theUnited Electric Light & Power Com-pany, of New York City, and they are fur-nishing current f
. Locomotive engineering : a practical journal of railway motive power and rolling stock . ings of brass of a known quality aresealed in a glass tube, which is perfectlyair-tight. Drillings of any other sampleare put into tubes and compared with thecolor of the known sample. After a verylittle practice, a man, can tell in what par-ticular the brass to be tested varies fromthe sealed sample. The Westinghouse Company recentlyfurnished four of the electric lighting ma-chines used at the Worlds Fair, to theUnited Electric Light & Power Com-pany, of New York City, and they are fur-nishing current for lighting a consider-able portion of the metropolis. The Holt Slide Valve with Cut-offPlate. A cut-otf designed for a locomotiveslide valve by Mr. Albert Holt, of Holt &Sons, engine builders and , is one of the mechanical pro-ducts of 1895. The inventor says thetlevice has been in use for many years onstationary engines built by the firm; andbelieving the same fuel economy could beeflected on a locomotive as was found instationary practice by its use, he has. Flo- 4 —JCjcftatnttltiort
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Keywords: ., bookcentury1800, bookdecade1890, booksubjectrailroa, bookyear1892
