Antennas, Tubes and Regeneration, Volumes 20 and 21
This edition marks 20 years of the Crystal Set Society. Many thanks to all our members for twenty years of fun with radio.
The compilation includes the articles from the 2010 and 2011 newsletters, including: Fun With Homebrew Cuprous Oxide Diodes; Resistance of Hardboard; The Telefunken Crystal Set; Two Popular AM Loop Antennas; Diode Biasing; Ultrasound Pressure of a Weak Spark; The Old Timer - Regeneration; The Antenna Tutorial I, II & III; Crystal Radios Are Like Beer; A Trap Antenna; Simple Circuits for Quality Sound; Audio Regeneration; Powered by Fleming's Amazing Valve; Two JFET Crystal Sets, From the Mailbox of Prof Verruckt, The AM Antenna Tuner Kit, and more. 8-½ by 11 with 115 pages, Comb Bound.