Mistakes can be rectified with communication and good humour. Looks in good condition but untested. However, I can and do.
VINTAGE MECCANO POWER CONTROL UNIT A2 - MODEL TRAIN SUPPLY ENGLAND
Vintage Meccano Power Control Unit A3 In Original Box Great Condition
Vintage Meccano Power Control Unit A3 With Box & Leaflets – Working
Vintage Meccano Power Control Unit A2 Untested Needs A Plug Ref KK34
Vintage Meccano Power Control Unit A3 complete original box and paperwork? 1958
Vintage Meccano Power Control Unit Type A2 – Train Controller – Spares/Repair