. Electric railway journal . le to test with thecurrent drawn by the cars. In Denver the testing cur-rent, in such cases, is provided by a dry storage bat-tery carried by the man who is making the test. An ex-tra pair of contacts on the contact bar are used to con-nect the battery to the rail through a key switch. Thebattery furnishes about 30 amp., which is sufficient fortesting purposes. The Third National Exposition of Safety and Sanita-tion under the auspices of the American Museum ofSafety will be held in the new Grand Central Palace,New York, from May 22 to 27, 1916. MAY 20, 1916] ELECTR
. Electric railway journal . le to test with thecurrent drawn by the cars. In Denver the testing cur-rent, in such cases, is provided by a dry storage bat-tery carried by the man who is making the test. An ex-tra pair of contacts on the contact bar are used to con-nect the battery to the rail through a key switch. Thebattery furnishes about 30 amp., which is sufficient fortesting purposes. The Third National Exposition of Safety and Sanita-tion under the auspices of the American Museum ofSafety will be held in the new Grand Central Palace,New York, from May 22 to 27, 1916. MAY 20, 1916] ELECTRIC RAILWAY JOURNAL 967 Catch Basins in Kansas City Under all tracks now being constructed or recon-structed the Kansas City Railways are installing a10-in. tile, centered under the track and connected withthe sewers. Catch basins, located at low points in thestreets, discharge excess surface water to the tile catch basins are iron boxes having flanges betweenwhich the granite paving blocks are inserted. The blocks. CATCH BASINS USED AT LOW POINTS IN RAILWAY TRACK INKANSAS CITY are flanged as for the rails, and cement grouting fillsthe interstice between the short upper edge of theblocks and the edge of the top of the catch basin. Therelias been much trouble heretofore at points wherestreets are low. As water cannot be carried away bythe city catch basins, the resulting flooded streets oftencaused damage to motors and hampered traffic. Bates Trolley Pole Tested to Failure In order to test the efficacy of its expanded steel poles,the Bates Expanded Steel Truss Company, Chicago, 111.,subjected one of them, which was designed for catenarytrolley construction, to a test to the point of pole was a 25-ft. expanded 4-in. section, to whicha trolley wire supporting bracket, 11 ft. 9 in. long, hadbeen applied. The design details of this pole and themanner in which it was set in the ground for testingare shown in one of the accompanying pole was em
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