| 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): |
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| 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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