1st Jun 2020, 10:43 am
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#15
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Dekatron
Join Date: Sep 2003
Location: Near Swindon, North Wiltshire, UK.
Posts: 3,621
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Re: Marconi 1400 birthday present
Here's the brochure page for the 20" successor model 4649. The difference between 19" and 20" is pretty clear when you compare the two photos. The 4649 brochure was date August 1969.
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