Easy electronic circuits you can build, including crossing flasher, constant directional lighting, train detectors, and power supplies. Provided by Mark Rollins.

Electronic circuits for use on a model railroads including -crossing light flashers, block occupancy detectors, train position detectors, simple signals, throttles, switch machines and automatic reverse loop circuits.

Basic to expert tips and methods to improve performance and fabrication skills with examples plus over three hundred pictures and drawings.