Directory > Recreation > Radio > Amateur > Boatanchors > Crystals A History of the Quartz Crystal Industry in the USA Corning Frequency Control provides this article. http://www.corningfrequency.com/library/vbottom.html Reviews Rating: Not yet Rated
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Technical Information A useful technical reference page for Crystals. http://www.icmfg.com/technicaldata.html Reviews Rating: Not yet Rated
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Bliley Electric Company History: The Early Years, 1930-1955 History of the company that invented and patented the overtone crystal, etch-to-frequency and variable crystals. Source for ads, engineering bulletins, patents and manuals. http://www.Bliley.net/XTAL/ Reviews Rating: Not yet Rated
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Crystal multiplier chart WB6SZS, Eugene Rippen's comprehensive chart for crystal use on the HF, VHF and UHF bands. http://www.muchstuff.com/xtal-frq.htm Reviews Rating: Not yet Rated
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Crystals Swapping Board Place your notices here for crystals for sale & wanted. No charge. Trade with thousands of users. http://senac.com/boards/880/ Reviews Rating: Not yet Rated
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Crystal Oscillators From N6EV. Tube oscillator schematics, and discussion. http://www.qsl.net/n6ev/68-xtal.html Reviews Rating: Not yet Rated
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Crystal Info A handy historical chart of old crystal holders with dimensions, and suppliers. http://pages.cthome.net/fwc/XTAL.HTM Reviews Rating: Not yet Rated
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Crystal Grinding FT243 information compiled by Paul Carreiro, N6EV. http://www.qsl.net/n6ev/ft243.txt Reviews Rating: Not yet Rated
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