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FORWARD
  
Only after much careful deliberation, was it
decided that the book on "Language of the Radio-Trician"
should be scheduled very early in the
course. It used to be common practice among
Radio schools to leave this most important subject
until last, or omit it altogether. But then
students were expected to understand circuit diagrams
and all sorts of schematics without having
been taught the symbol language.
  
In this book you will become acquainted with
all the tricks Radio-Tricians and Radio engineers
use--to save time; to simplify the learning process;
to make it easy to talk together on Radio
problems of all kinds.
  
The material in this lesson is Radio--just as
much Radio as the books on Capacity and Inductance.
Mastery of "The language of Radio-Tricians"
will make the rest of the course comparatively
easy. All the necessary facts are given
--in the most interesting manner possible. It
deserves your most earnest study!
 
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Copyright 1931
by
NATIONAL RADIO INSTITUTE
Washington, D. C.
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