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MYSTERY CRYSTAL RADIO LITZ COIL MEDIUM WAVE 325uH A BEAUTIFULLY MADE COIL AUTHENTICALLY WOUND ON THE ORIGINAL COIL FORMER MATERIAL PAXOLIN IT HAS SOLID BRASS BINDING POSTS TO TERMINATE THE MAIN WINDINGS THIS COIL HAS BEEN WOUND USING MY AVO DOUGLAS COIL WINDING MACHINE THIS PRODUCES A VERY PRECISE COIL. THIS TYPE OF COIL IS VERY DIFFICULT TO WIND EVENLY BY HAND
THE COIL WAS ORIGINALLY AN AUSTRALIAN INVENTION OF THE 1930sWHICH PERFORMS VERY WELL IN SIMPLE CRYSTAL RADIO CIRCUITS IT WAS FOUND BY ADDING A SECOND VERY TIGHTLY WOUND SECONDARY DIODE COUPLING COIL THAT IT WOULD SIGNIFICANTLY IMPROVE SELECTIVITY AND REDUCE THE DAMPING PROBLEMATIC WITH SINGLE COIL DESIGN CRYSTAL SETS THE COIL IS 4.5 INCHES(106mm Approx) LONG AND 1.5 INCHES (31mm Approx) DIAMETER PRICE INCLUDES FREE WORLDWIDE POSTAGE Please visit http://www.crystalradioclub.co.uk
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Postage and packaging Item location: Birmingham, United Kingdom Dispatches to: Worldwide
 
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