The electronic book effort, Project Gutenberg has a 1922 Radio handbook
on line. Neat stuff.

Tons of informative pictures.

http://www.gutenberg.net/cdproject/c...ah/fig006c.png

They seem to have missed transistors and integrated
circuits...unforgivable...



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THE RADIO AMATEUR'S HAND BOOK

A Complete, Authentic and Informative Work on Wireless Telegraphy and
Telephony

BY
FREDERICK COLLINS

Inventor of the Wireless Telephone 1899; Historian of Wireless
1901-1910; Author of "Wireless Telegraphy" 1905

1922

http://www.gutenberg.net/cdproject/c...0ah.htm#chap02
=======================================



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