658-3/3: American Flyer Auto. Block Using RR-Concepts SIM, Automatically Controls 2 S-Gauge Trains

From: AutoControls-dot-org JamesIngram-dot-net

Added: 18 years ago · 9:45 · 480p

A. SUMMARY: Part 3/3 continuation of demonstration of a single-track Automatic Block operating two S-gauge trains on the same ...