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History of the manufacturer  

Jan Crystals; Fort Myers (FL)

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Name: Jan Crystals; Fort Myers (FL)    (USA)  
Abbreviation: jancrystal
Products: Others

Jan Crystals; Fort Myers, Florida (1940's).
Manufacturer of wireless crystals for the US forces in WWII.

In 2010 active company:
Jan Crystals; 2341 Crystal Drive, P.O.Box 60017, Fort Myers, Florida. see also

This manufacturer was suggested by Wolfgang Scheida.

Some models:
Country Year Name 1st Tube Notes
USA  80 Crystal (Quartz, Quarz) HC-25/U   Crystal used in HF and VHF transmitters; Crystal Unit 0.46" wide x 0.16" x 0.515" tall; Pi... 
USA  62 Crystal (Quartz, Quarz) MC-13A   Used in HF and VHF transmitters; Pin spacing 12.3mm and pin diameter 1.3mm x 6mm long. 


Further details for this manufacturer by the members (rmfiorg):

Jan Crystals logo from August 1974 QSTtbn_jan_crystals_logo.jpg