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Did you know RCA (Radio Corporation
of America) used to manufacture and sell oscilloscopes? The Model 155-C oscilloscope
was promoted quite aggressively in the mid 1940s as a breakthrough instrument. A
quick Google search shows that not many survived, and they are not particularly
sought-after by vintage test equipment collectors. It seems the quality of the metal
chassis was not very good, although the electronics get high marks. You can pick
one up on
eBay occasionally for fairly cheap. Oscilloscope Museum has an
example of an
RCA 155-C oscilloscope (lots of links on the page to images, manual,
etc., but they can be hard to find).
RCA 155-C Oscilloscope Ad
 The 155-C - A Versatile Oscilloscope
Wherever a general-purpose oscilloscope is required, the RCA 155-C is the choice.
Designed for simple operation, faithful reproduction, accurate comparisons, and
quick results, this oscilloscope is fast becoming standard equipment in laboratories
and service shops.
The 155-C is different from other 3" oscilloscopes because it includes a built-in
light shield, removable graph screen, direct deflector connection, binding jacks
(a combination binding-post and pin jack), a 6-volt AC terminal, and an improved-timing
axis oscillator.
Completely portable and attractively cased, this instrument is priced within
the reach of owners of small shops and laboratories.
Mail the Coupon for Further Technical Details
Test and Measuring Equipment Section
Radio Corporation of America
Camden, N. J.
Please send me information about the RCA 155-C Oscilloscope.
Name ........................................................
Street Address ...........................................
City and State ............................................
RCA
Radio Corporation of America
RCA Victor Division - Camden, N. J.
In Canada, RCA Victor Company, Limited, Montreal
Posted March 14, 2022
(updated from original post on 3/17/2015)
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