Triang RT.42 Speed/Power Control Unit - untested

Hornby Tri-ang 00 Gauge Speed Control Unit RT42

Vintage H&M Safety Minor Power Control Unit for Triang Railways

Bundle Duette Twin Power Supply/Marshall II Power Control Unit + Wire UNTESTED

Triang Hornby RP42 Speed Contol Unit Power Controller Vintage Model Railway

Tri-ang R42 Speed Control Unit. Controller. Transformer. Untested Sold As Seen

Triang RT42 Speed Control Unit - OO Gauge

Triang speed control unit, boxed