Boxed Hornby Meccano T20 Black AC Transformer speed ctrl - tested working VGC -A
Hornby Meccano T20 Transformer Untested Boxed Ref R77
Hornby Meccano T20M Black AC Transformer - Untested Needs Plug - E
Boxed Hornby Meccano T20M Black AC Transformer & Inst - tested working - B
Hornby Meccano Early T20 Black AC Transformer speed ctrl - tested working - C
