NB3 Traditional Signal Box, Brick/Timber Type Extra-Large-Item Alpha-Switch-A and Alpha-Switch-D use the

Alpha-Switch-A and Alpha-Switch-D use the same switch type

The Bedford QLB was a variation of the wartime Bedford QL designed as a Bofors Gun tractor

4 powered-function outputs with overload protection

Left-hand Standard Point (Self-Isolating)

This versatile tool includes the following 5 functions:

NB3 Traditional Signal Box, Brick/Timber Type Extra-Large-Item Alpha-Switch-A and Alpha-Switch-D use theModelled on the Saxby and Farmer design that was to be found around the country, this kit can be combined with further kits to make a larger signal box if required. Use the Ratio Signal Box Interior kit No. 224 for a 20 lever frame, level crossing wheel and other detail. Technical Specification: Length: 58. 5mm Width: 25. 5mm