Bob Davis sent me a link to Mike Yancey's (KM5Z) website where there is a scanned
version of the 1948 National Radio Institute (NRI) home study course for radio technicians.
It is a very extensive collection of 55 volumes (PDF format) covering topics like
Simple Radio Circuits and Meters,
Radio Coils and How They Work,
How Detectors Work in Radio and Television Receivers,
Current, Voltage and Resistance Measurements, and
How to Eliminate Man-Made Interference. KM5Z also has some other good content
that you might be interested in while you're there like a 1958 edition the
RCA Radio & TV Course,
online calculators for toroids, inductor Q, voltage dividers, and antenna field
strength, and radio restoration projects.
NRI ran full-page advertisements in many electronics and mechanics magazines
from the 1940s through the 1980s; e.g.,
Popular Science,
Popular Mechanics and
Radio News. I am a proud graduate of the National Radio Institute's "Electronic Design Technology"
course, circa 1987.
Posted August 26, 2013
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