[Drake] FS: Crystal Calibrator

[Brian Carling]

FOR SALE: Crystal Calibrator
Nice little homebrew solid state unit with the large 100 kHz
"Tall HC6/U" crystal inside. Has digital dividers for marker 
signals
at either every 100 kHz, every 50 kHz or every 25 kHz.
A rotary switch selects the various markers. Uses either an 
internal
9V battery or external DC source. Internal trimmer allows you 
to adjust
the calibration source against a laboratory standard or WWV.
Hammertone gray case looks great - small hole in lid could 
allow
for adding and L.E.D. pilot light.
Available for only $19.00 plus shipping.