Tri-ang HORNBY (ROVEX) RP42 Circuit Control Unit / Power Controller - Boxed

Triang RT.42 Speed/Power Control Unit - untested

Tri-ang railways speed controller RT 42 boxed model train rail accessory 50s

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

Vintage Triang RP 53 Power Controller Dial Power Unit UK 3 pin Plug 12 Volt

Hammant & Morgan H&M Minor Unit | Vintage Tri-ang, Hornby - Untested

Vintage Triang No. 1 Power Unit + Lima Model 012 Untested Boxed

Vintage Hornby R912 Train Controller Power Unit - 14.2V DC OO Gauge - Untested