Hi Neil,
I’ve measured the transformer windings and arrived at the connections in the uploaded drawings. There is a drawing of the connections on the actual transformer along with a copy of the 44 amplifier with the connections marked on the diagram.
I’ve also included a scan of the 3-3 amp in the Gilbert Davey Fun with hi-fi book from 1973
; you’ll note he really rates this amplifier. Sorry for the upside down scans.
Regards
Terry.