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C1920 original how to make a crystal set at small cost

Article Sent By: m_cannon@machine--tools.com (Meagan Cannon)
Meagan Cannon is presenting: C1920 original how to make a crystal set at small cost
I WILL BE LISTING OVER 100 BOOKS AND MANUALS COVERING WWII MILITARY RADIOS , EARLY TELEGRAPH AND TELEGRAPHY , WIRELESS , TELEVISION , VERY EARLY CATALOGS OF TELEGRAPH AND WIRELESS AND SCIENTIFIC / MEDICAL EQUIPMENT PLUS EARLY BOOKS ON AVIATION, AERONAUTICS AND RAF AIR MINISTRY AIR PUBLICATIONS.I SHALL ALSO BE LISTING THE ULTIMATE VINTAGE WIRELESS REFERENCE SOURCE - 1923 HARMSWORTH WIRELESS ENCYCLPAEDIA - 3 VOLUMES 5000 ILLUSTARTIONS 2300 PAGES.PLEASE CLICK ON VIEW SELLERS OTHER ITEMS LINK FOR FULL LISTING AND UPDATES..
THIS IS AN ORIGINAL PUBLICATION , NOT A COPY OR REPRODUCTION. UNDATED BUT GUESS AROUND 1920. GIVES ALL THE INSTRUCTIONS IN WORDS AND PICTURES FOR MAKING A CRYSTAL SET. COVERS - INTRODUCTION, WHAT TO OBTAIN, APPROX COST, THE AERIAL, THE RECEIVING SET, THE COILS, THE TERMINALS AND CONNECTIONS, THE EARTH WIRE, LISTENING IN, HEAD PHONES. THESE USED TO BE SOLD IN HARD WARE SHOPS. THIS WAS FOUND IN BASEMENT OF ONE SUCH SHOP.
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C1920 original how to make a crystal set at small cost C1920 original how to make a crystal set at small cost