Original box and instructions (rare). Tested & working perfectly, including overload cut-out.
Vintage Minimodels Smoothflow SF1/R 12 V 2 Amp Power Supply - scalextric, Boxed
Vintage Minimodels Smoothflow SF1/R 12 V 2 Amp Power Supply - OO Gauge Railway
Vintage Smoothflow SF1/R 12V DC 2A Model Railway Power Unit England
Minimodels Smoothflow Power Transformer Unit For Scalextric
Vintage Hornby Smoothflow Transformer Power Supply 12V 2A Model Railway SF1/R
