ID: 
2372
Maker's Name: 
Advance Components Ltd, Walthamstowe London E17
Where made: 
England
Dimensions: 
27.3 × 17.5 × 13 cm

This transformer is designed to give a constant 230V AC at 50 Hz, for an input variation of 190V to 260V AC.

The transformer combines a magnetic shunt and ferroresonant circuit to maintain voltage and sinusoidal waveform.