800-5401 AR-2 Automatic Reverse Circuit with Adjustable Delay 1-3-Scale a time of great expansion

a time of great expansion for the railroads with the transcontinental route and the settling of the Wild West

Different light and sound functions

allowing you to install on a location of your choice and still be able to fee the wires down below the baseboard

F11 Spirax Valve

complete with a wonderfully detailed 4

800-5401 AR-2 Automatic Reverse Circuit with Adjustable Delay 1-3-Scale a time of great expansionBD 2 Block Occupancy Detector Current Sensing Details: The CIRCUITRON BD 2 is a highly sensitive integrated circuit block occupancy detector designed for reliable operation across virtually all model railway scales and track power systems, including most forms of command control. It detects the presence of locomotives and lighted rolling stock by monitoring current draw through the rails, providing accurate and responsive block occupancy indication.