rexresearch
rexresearch1
Radios
That Work For Free II
Edwards, K.
Experimental
Crystal Radio Receivers
Modern Electrics Magazine // Lindsay
Lynodyne
DX Crystal Set
Tuggle, M.
Crystal
Radio Set Systems
Tongue, Ben
The Voice of the Crystal : How to Build
Working Radio Receiver Components Entirely From Scratch
Friedrich, H.
"101 Receiving Circuits"
"Construction of Radio Receiving Apparatus"
( Everyday Mechanics
)
"A Crystal Set for the Boy Builder"
"The Boy's Book of Crystal Sets"
"Cigar Box Radio" ( Modern Mechanics, Apr.
1945 )
"Classic Crystal"
"Construction of a Simple Homemade Radio
Receiving Outfit"
"Crystal Detectors & How They Work"
"DX Crystal Radio Receiver" ( Oct. 1952
)
"Radio" ( Farm Economy Supplement, Lesson XIX )
"The Fundamentals Of Radio" ( Radio News, Jan. 1930 )
"Grandpa's Whisker"
"High Power Crystal Set" ( Electronic Experimenter's
Handbook, 1951 )
"How To Build A Crystal Set" ( Popular Science Monthly,
Nov. 1925 )
"An Inexpensive Crystal Set"
"Loop Crystal Set"
"How
To Build A Loudspeaker Crystal Receiver" ( Science & Mechanics,
October 1939 )
"Construction & Operation Of A Very
Simple Radio Receiving Equipment" ( NBS Circular # 120, March
1922 )
"Construction & Operation Of A
Two-Circuit Radio Receiving Equipment With Crystal Detector"
( NBS Circular #
121, July 1922 )
"Oatmeal Box Crystal Radio"
"Efficient Galena Receiver ( Hobby Mag., Spanish )
"Wide Range Bypass Crystal Tuner"
( Radio & Television
News, Aug. 1949 )
"Reception With Galena" ( Spanish )
"Galena Receptor" ( Radio Magazine, Spanish )
"Miniature Galena Receiver" ( Radio Magazine, Sept.
1950, Spanish )
"Selective Fixed Detector Crystal Set"
( Science & Mechanics,
June 1947 )
"Build The See-Through Crystal Radio Receiver"
"A
Simple Radiophone Receiver" ( Science & Invention, Apr. 1922 )
"Subminiature Portable Crystal Radio
Receiver ( USP 2805332 )
"Sun-Powered
Radio" ( Science
& Mechanics, June 1956 )
"A Super-
Sensitive All-Wave Crystal Set" ( Radio Craft, May 1933
)
"Tapped Coil
Crystal Radio" ( Popular
Electronics, Oct. 1989 )
"Tapped Coil Crystal Set" ( Science & Mechanics,
Aug. 1949 )
"Three
Germanium Diode Crystal Receivers For Beginners"
"Two Low-Cost
Crystal Sets For Experimenter"
"A. "P.W." Ultra
Crystal Set" ( Popular
Wireless & Wireless Review, 26 June 1926 )
"Build A Variometer
Radio" ( Popular
Electronics, May 1995 )
"Vest Pocket
Crystal Receiver"
"Super-Sensitive
Vestpocket Crystal Radio" ( Oct.1952 )
"Crystal Set
Construction"
For more circuits, visit :
http://www.crystalradio.net/crystalplans/coolplans/