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Crystal Radio Circuits


You'll find these useful after an em-pulse : 40 PDFs of old radio magazine articles ( most unidentifiable ) about crystal radio receivers --

"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"
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