Type name / number: A51
Production / SN:  
Calculating principle: Rocking Segment, 10key Keyboard
Calculating functions: Add, Subtract
Input accuracy 10 digits
Calculating accuracy: 11 digits
Extra's: Input and result display
Designer:  
Production year: +/- 1940
Case material: Metal
Weight: 6.2 Kg
External links:  
Previous owner: Karl-Dieter Schwake, Berlin, Germany (as extra available, picked up during our holidays)
Cosmetic imperfections:
(I accuse no one):
Perfect condition only a very little / minor harming of usage.
Date of receiving: 2010 - may,
Machine story: The machine was working perfect on arrival.

 

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