Transformer for Callender & Barne’s Appts.
Specially designed for use with above apparatus having five tappings of 6, 12, 18, 24 & 30 volt A.C. and current 3 Amp
Specially designed for use with above apparatus having five tappings of 6, 12, 18, 24 & 30 volt A.C. and current 3 Amp