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Robert Erickson's Reference Cards
from Teletypes and Early Computers

Robert Erickson keeps these reference cards (protected in plastic) handy,
- just in case you need your Mod 28 Teletype or ERA ATLAS or IBM 701 repaired. ;-))
Bob has only the Teletype :-((

Click on small image to get larger (readable) image.

Now - I have to get Bob to better identify some of his reference cards :-|
- to remove some of the question marks :-))

1. Teletype Corp. Mod 28 codes
   
2. TTY Mod 28 again?? ??
   
3. TTS codes ??
   
4. ERA ABLE & ATLAS codes
   
5. ERA 1101 codes ??
   
6. IBM 701 codes
   
7. IBM 704 codes
   
8. IBM xxx codes ??
   
9. IBM THINK ??
   

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Started December 3, 2010