. The Street railway journal . is placed outside ofthe rails. The method of road constructionis very clearly shown in the cross sections,elevation and plans of the conduits givenin our engravings. Something over threefeet below the surface of the pivementcross-ties of 8x2 inch channel ircns areplaced. These may be laid in a sub-founda-tion of concrete or well-rammed gravelwhen the soO. is light or marshy, or directly^pon the natural ground when it is suitable; end of the channel iron cross-tie that is ex-tended on that side of the road for the pur-pose. The interior of the conduit is madeof su
. The Street railway journal . is placed outside ofthe rails. The method of road constructionis very clearly shown in the cross sections,elevation and plans of the conduits givenin our engravings. Something over threefeet below the surface of the pivementcross-ties of 8x2 inch channel ircns areplaced. These may be laid in a sub-founda-tion of concrete or well-rammed gravelwhen the soO. is light or marshy, or directly^pon the natural ground when it is suitable; end of the channel iron cross-tie that is ex-tended on that side of the road for the pur-pose. The interior of the conduit is madeof sufficient size to receive the wheels withtheir journal bearings that are used to carrythe cable. If the twin system of traction isused, the conduit is made of sufficient sizeto receive the two wheels as shown in thelower section. Manholes may be placed inthe street at each wheel, allowing of closeinspection, and as it is located outside ofthe rails it will not interfere with the cross-ties or central bearing. An opening for one. END AND SIDE ELEVATION, SHOWING APPLICATION OF GRIP TO CAR.
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Keywords: ., bookcentury1800, bookdecade1880, booksubjectstreetr, bookyear1884
