| Type name / number: | Brunsviga 13 RK |
| Production / SN: | |
| Calculating principle: | Sprossenrad (DL); Pinwheel(E); ? (NL). |
| Calculating functions: | Add, Subtract, Multiply, Divide |
| Input accuracy | |
| Calculating accuracy: | |
| Extra's: | |
| Designer: | |
| Production year: | 1954 - 1961 |
| Case material: | metal |
| Weight: | |
| External links: | |
| Previous owner: | Lars Schwinger, Garbsen / Havelse, b. Hanover, Germany |
| Cosmetic imperfections: (I accuse no one) |
|
| Date of receiving: | 2010 may |
| Machine story: | Machine worked well on arrival. Opend and new oiled. |
Content without guarantee! (UK); Inhalt Ohne Gewähr! (DL)