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

Hornby OO Gauge R911 Train Railway Speed & Direction Controller TESTED

Hornby R911 Power Controller, OO Gauge Models, tested, working with power clip

Hornby R911 OO Gauge Model Railway 3 Speed Electric Controller with power clip

HORNBY R911 Power Unit Train Speed Controller Transformer Needs A New Clip

Hornby R911 OO Gauge - Speed Controller - Unused NOS

Gaugemaster Model D Twin Track Controller for Hornby OO Gauge Sets

Hammant & Morgan Safety Minor Power Unit, Tested, Boxed, Instructions OO Gauge