658-2/3: American Flyer Auto. Block Using RR-Concepts SIM, Automatically Controls 2 S-Gauge Trains
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From: AutoControls-dot-org JamesIngram-dot-net
Added: 18 years ago · 7:14 · 480p
A. SUMMARY: Part 2/3 continuation of demonstration of a single-track Automatic Block operating two S-gauge trains on the same ...
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