Random thoughts on something not random….the quartz crystal.

  So I came across a small treasure trove of WWII vintage channel marked radio crystals… Almost the full set for the BC-604 transceiver that covered 20-28 MHz which was at home in armored vehicles of the time….most of them in their original packaging.  These are quartz crystals in the FT-241-A holders.  These were made… Continue reading Random thoughts on something not random….the quartz crystal.