. The Street railway journal . of hard maple1V2 ins. thick were fitted neatly to the inside of the channelsfor the door posts. The channel and maple filling were thenplaced in a chuck upon the bed of a planer, the channel with a specially designed tool, the upper edges of thechannel flanges were split down to 3-16 in. deep, and theinner portion of this edge rolled down and turned over uponthe filler cold compressing and firmly enclosing it within thechannel walls, thus making the maple filler an integral partof the channel without the use of any screws or bolts what-soever. This is
. The Street railway journal . of hard maple1V2 ins. thick were fitted neatly to the inside of the channelsfor the door posts. The channel and maple filling were thenplaced in a chuck upon the bed of a planer, the channel with a specially designed tool, the upper edges of thechannel flanges were split down to 3-16 in. deep, and theinner portion of this edge rolled down and turned over uponthe filler cold compressing and firmly enclosing it within thechannel walls, thus making the maple filler an integral partof the channel without the use of any screws or bolts what-soever. This is clearly shown in the horizontal section throughthe door and window posts in Fig. 2. Horizontal nailing strips of oak 1V2 ins. x 3V4 ins. aretightly fitted and bolted to the metal frame between the chan-nel posts, and on top of the metal plate above the doors hardpine, 4 ins. x 1ins. is tightly fitted between the metal car-lines and bolted to the plate. This greatly increases the re- STREET RAILWAY JOURNAL. [Vol. XXIII. No. sistance of the car in addition toforming an entirely adequate foun-dation for attachment of thesheathing in the usual carlines have poplar nailingstrips bolted to each side, and theroof, which is of 13-16-in. poplar,is nailed to these strips in the usualmanner. Upon the steel plate bedof the floor J^-in. asbestos is laid,and upon this the maple flooring isplaced cross-wise in matched strips2)4 ins. x -)4 ins. The problem of securely fasten-ing this flooring to the steel bedplate was solved by glueing up theflooring on the bench in sections12. ins wide, then by heavy clamps,glueing and forcing these sectionsone by one into position. Under-neath both ends of the seats, alsothe center of the car floor, brassstrips 1 in. wide were gained intothe flooring the entire length of thecar, to which the seats and heat-ing coils were fastened, and whichwere in turn fastened to the bedplate by 5-16 in. screws having awide countersunk head. This af-fords be
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Keywords: ., bookcentury1800, bookdecade1880, booksubjectstreetr, bookyear1884
