Tri-ang RT.42 Train Controller 0-12V DC output - Earlier version - Not tested

Triang RT.42 Speed/Power Control Unit - untested

Hornby Tri-ang 00 Gauge Speed Control Unit RT42

A nice TRIANG P.42 CIRCUIT CONTROLLER UNTESTED

Meccano Marshal Controller Hornby Dublo Power Control Unit OO Gauge Train tested

Tri-ang P.42 Vintage Circuit Control Unit OO Gauge. Untested

Vintage Triang RT 42 Speed Controller Untested In Good Condition Boxed Ref T90

Triang RT.42 Vintage 12V Speed Controller Tested & Working