13-10-2016, 07:09 AM
In addition to Post#48, advert from 1939:
http://www.thevalvepage.com/testeq/avo/vt/advert.jpg
The new switched panel was called the Universal Panel, from reading the advert it's clear that it was also designed to replace the earlier unswitched panel.
Lawrence.
http://www.thevalvepage.com/testeq/avo/vt/advert.jpg
The new switched panel was called the Universal Panel, from reading the advert it's clear that it was also designed to replace the earlier unswitched panel.
Lawrence.
