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Vintage Antique Crystal Radio Germanium Cats Whisker Glass Detector Diodes

 GENUINE AND ORIGINAL! Has Maximum RF Sensitivity

Very Old !   Could Be from the 1920's ? 

Another seller has a Similar item HIS are Used and Cleaned! I Guarantee Mine are OLD STOCK NEW! UNUSED! His are Used! And He COPIED my listing here almost Word for Word!!!! Get the Original NEW OLD STOCK Crystal Radio Diode HERE!  

High Quality Germanium for lowest P|N Junction Voltage Breakdown

Very Sensitive for Maximum RF Detection, use in Low voltage and Low current (signal) applications only.

This is the Cadillac of Crystal Radio Diodes!

A Simple Crystal Radio Schematic and Building Guide Sheet will be included !

Guaranteed Operational - Old Stock Unused Condition - Tested Good before Shipping.

Guaranteed Germanium as Voltage Drop is ~ .3 Volts   (silicon is ~.7 volts)  

No Markings- You can determine Polarity with your Ohm Meter or Try it Both Ways in your Crystal Radio for maximum Loudness (best)

You Cannot buy a more RF Sensitive Crystal Radio Detector Rectifier Diode!

Measures 2 1/4 " inches long lead end to lead end, see Picture On The Penny for Size Reference 

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