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

Hornby HM2000 Power Controller R8012

Tri-ang P42 Circuit Control Unit / Power Controller - Boxed

Triang Hornby RP42 Speed Contol Unit Power Controller Vintage Model Railway

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

Tri-ang RP13 The Westminster Power Controller. Rovex Scale Models Ltd *POWERS ON

Hornby 902 Circuit Control R902 - VGC (Boxed) Model Railway Train

Triang RT.42 Speed/Power Control Unit - untested