View Single Post
  #6  
Old 12-22-2016, 07:39 AM
Findm-Keepm's Avatar
Findm-Keepm Findm-Keepm is offline
Followin' the Rules...
 
Join Date: Jun 2007
Posts: 2,832
That's probably a series 1 - the manual shows no ZIP code (pre-1964....) and the knobs match the design patent (2509415) image, so it's definitely early....IIRC, early serial numbers are inside, stamped in silver or white ink.
__________________
Brian
USN RET (Avionics / Cal)
CET- Consumer Repair and Avionics ('88)
"Capacitor Cosmetologist since '79"

When fuses go to work, they quit!

Last edited by Findm-Keepm; 12-22-2016 at 09:47 AM.
Reply With Quote