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The Signal Bridge No. 450 spans two tracks and has two signal heads that have bayonet mounted lamps that change from GREEN to RED as a train approached. 


This was accomplished with the use of the No. 153C Contact that was placed beneath the track and changed the color of the signal indicator because of the weight of the train. Extra signal heads could be purchased under the No. 450L.
Made entirely out of the sheet metal except for the GRAY plastic bases, this signal bridge was available from 1952 until 1958.
Dimensions: 7-1/2 inches high, inside height is 6 inches
Base: 3 inches long, 1-1/2 inches wide
Distance Between Bases: 7-1/2 inches

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