Type name / number: Plus 509
Production / SN:  
Calculating principle: Direct adding / key driven / Rocking Segment
Calculating functions: Add
Input accuracy  
Calculating accuracy:  
Extra's:  
Designer:  
Production year:  
Case material: aluminum
Weight:  
External links:  
Previous owner: Frits Huijbers, Wageningen , Netherlands (picked up after deal on marktplaats with a total of 15 different machines)
Cosmetic imperfections:
(I accuse no one):
 
Date of receiving: 2010 - june, marktplaats
Machine story: Machine was blocked on arival. The all pins / as axis moved axialy and cleaned an oiled. The machine is calculating perfect.

 

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