. The Street railway journal . ric Vehicle Company, of Chicago; the Columbia AutomobileCompany, of Hartford; the Indiana Bicycle Company, of Indian-apolis, and the Riker Electric Motor Company. The American Vitrified Conduit Company showed samples ofits multiple duct conduits, containing from two to sixteen company in all its conduit work uses dowel pins for align-ment in making joints, thus assuring a positive and true joint,and doing away with the necessity of using mandrils in layingthe ducts. The company exhibited a subway system laid out inminiature, showing a manhole built of
. The Street railway journal . ric Vehicle Company, of Chicago; the Columbia AutomobileCompany, of Hartford; the Indiana Bicycle Company, of Indian-apolis, and the Riker Electric Motor Company. The American Vitrified Conduit Company showed samples ofits multiple duct conduits, containing from two to sixteen company in all its conduit work uses dowel pins for align-ment in making joints, thus assuring a positive and true joint,and doing away with the necessity of using mandrils in layingthe ducts. The company exhibited a subway system laid out inminiature, showing a manhole built of a new type of brick, witha special arch for the top, and covered with the McGregor noise-less manhole frame and cover, made by the McGregor Manu-facturing Company, of New York. The John A. Roeblings Sons Company, of Trenton, N. J., hada very complete display of samples of all its wire products, includ-ing bare copper wires, rubber and other insulated wires of allkinds, office and magnet wires, electric light wires, etc. A num-. EXH1B1T OF CLING-SURFACE MANUFACTURING COMPANY ber of samples were also shown of cables which the RoeblingCompany has supplied, and which are of historical these were sections of the last Commercial Cable. An ob-ject of particular interest to street railway men was the specialsplice of the large three-phase cable for the Metropolitan StreetRailway Company, of New York. This cable is made up of threeoooo wires, and will be used for the transmission of high tensioncurrent over the companys system. The splice is quite compact,the only visible evidence of its existence being an enlargementabout one foot long of the lead casing. Samples of Columbiaand flexible rail bonds were also shown. In one corner of the gallery was shown a device manu-factured by the Evans Automatic Illuminating Car Sign Com-pany, of Boston. This is a revolving sign designed to be placedon the front or side of a car, near the transom, and having openletters, through which
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Keywords: ., bookcentury1800, bookdecade1880, booksubjectstreetr, bookyear1884
