Thread: Test Card F
View Single Post
Old 20th May 2020, 12:36 pm   #19
ms660
Dekatron
 
ms660's Avatar
 
Join Date: Apr 2011
Location: Cornwall, UK.
Posts: 13,454
Default Re: Test Card F
The one I have a copy of is an early one that indicates the frequency of the frequency gratings and has the four line colour bars.

Lawrence.
ms660 is offline