Radio News RCA Tube Ad: Dec. 1925
Many times better than in 1921, claims
this RCA Radiotron advertisement from the
December, 1925 Radio News Magazine. In the early
days of radio, when receivers were often
user-serviced if not home-built, magazines
were filled with ads for replacement parts
and accessories.
This ad features the UX-201A Radiotron tube. If
you can find one of these in working condition
today, count yourself lucky. Most modern suppliers
don't even list this tube as available—at
any price.
A magazine's back cover is prime advertising
space. Tube manufacturers bought the Radio News back
cover much of the time, although in our 1920s issues,
you can also see ads for correspondence courses
and parts suppliers.
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