. Electric railway journal . London, Brighton & South Coast—Overhead Construction in Yard of London Bridge Station before the bodies were erected. An engraving on page 787 showsa car floor turned upside down in for the purpose ofinstalling the conduit. The bottom of the car floor is coveredwith a layer of uralite fireproofing *4 m- thick, which in turnis protected by sheet aluminum. in such a way that the direction of movement of the car con-trols the selection of the proper bow. Two aluminum collectorstrips are mounted on each bow. The leading strip is rigidlyattached to the main bow
. Electric railway journal . London, Brighton & South Coast—Overhead Construction in Yard of London Bridge Station before the bodies were erected. An engraving on page 787 showsa car floor turned upside down in for the purpose ofinstalling the conduit. The bottom of the car floor is coveredwith a layer of uralite fireproofing *4 m- thick, which in turnis protected by sheet aluminum. in such a way that the direction of movement of the car con-trols the selection of the proper bow. Two aluminum collectorstrips are mounted on each bow. The leading strip is rigidlyattached to the main bow, while the trailing strip is carried bya light auxiliary bow which is kept up against the wire by the. London, Brighton & South Coast—Train Shed of Victoria Station, Showing Tracks for Electric Trains Current is collected on each motor car from the overheadtrolley wire by a special form of sliding bow collector. Owingto the limited overhead clearance at a number of bridges, par-ticularly at the entrance to Victoria Station, the collectors aremounted on the roof over the motormans compartment, whichis lowered somewhat to give sufficient clearance when the col-lectors are folded down. Two bows mounted on one base are pressure of light springs. This arrangement of double col-lectors on one bow insures continuous contact with the , since if the collector on the main bow leaves the wirefor an instant the auxiliary collector of small inertia remainsin contact. The aluminium collector strips are grooved on theircontact surfaces and the grooves are filled with heavy wear on the copper contact wires is inappreciable after 786 ELECTRIC RAILWAY JOURNAL. [Vol. XXXVII.
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