28-10-2016, 07:22 PM
(This post was last modified: 28-10-2016, 07:23 PM by Geordie McBoyne.)
With regard to early Cossor televisions such as the 137T I believe no 240/405 switch was ever fitted. The ritual of changing standards week by week was simply facilitated by adjusting the line and frame hold controls.
Certainly there is no evidence of a standards switch on my set.
From the ETF: http://www.earlytelevision.org/cossor_137.html
Also: http://www.earlytelevision.org/dumont_180.html
The Dumont 180 was developed from the Cossor 137T.
Geordie McBoyne.
Certainly there is no evidence of a standards switch on my set.
From the ETF: http://www.earlytelevision.org/cossor_137.html
Also: http://www.earlytelevision.org/dumont_180.html
The Dumont 180 was developed from the Cossor 137T.
Geordie McBoyne.







