. The street railway review . put on length- where the glass begins and i^-in. iron pipe the rest of the vestibule has one doorway, these on opposite sides of theoar. and each provided with a stirrup step. Above the top of the car near one end is a platform 3 ft. i 0 ft. 4 in., which can be raised and lowered by an arrangementof sprocket chain, wheels and weights. The platform is made of5 x s-in. timbers covered with i-in. flooring, and is supported on Dec. 20, 1902.] STREET RAILWAY REVIEW. 891 two uprights which slide up and down by tongue and groovearrangement, in two stationar
. The street railway review . put on length- where the glass begins and i^-in. iron pipe the rest of the vestibule has one doorway, these on opposite sides of theoar. and each provided with a stirrup step. Above the top of the car near one end is a platform 3 ft. i 0 ft. 4 in., which can be raised and lowered by an arrangementof sprocket chain, wheels and weights. The platform is made of5 x s-in. timbers covered with i-in. flooring, and is supported on Dec. 20, 1902.] STREET RAILWAY REVIEW. 891 two uprights which slide up and down by tongue and groovearrangement, in two stationary uprights bolted to either side ofthe car on the interior, the movable tongued uprights being 6 x , and the stationary grooved uprights being 6 x 6-in. timbers. plan view of hoisting apparatus, these wheels being 4!^ in. indiameter and each has five teeth. These wheels connect by sprocketchain to two oi-in. sprocket wheels mounted on a second shaftplaced 12 in. to one side of the first. This second shaft is 5 Co//ari7Jz/SdfScrew ELEVATION OF RAISING DEVICE. The arrangement for raising and lowering platform on top ofthe car is set forth in one set of the accompanying drawings. In further explanation of these drawings it may be said thatthe platform is raised or lowered from the interior of the car by
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