| Type name / number: | Astra Klasse 1. Adding and listing machine. Pult Addier und Saldier Maschine (DL) Seems it is a Modell 120, hand driven, but it was a Modell 121, while the electomotor is removed. |
| Production / SN: | 121194 |
| Calculating principle: | Rocking Segment, Ten key keyboard |
| Calculating functions: | Add, Subtract |
| Input accuracy | 10 digits |
| Calculating accuracy: | 10 digits |
| Extra's: | Display of input- and total / result number |
| Designer: | Mr. John E. Greve. Previously worked at Wanderer-Continental and founder of the Astra company |
| Production year: | +/- 1940 |
| Case material: | metal |
| Weight: | |
| External links: | |
| Previous owner: | Karl-Dieter Schwake, Berlin, Germany (picked up during may holidays.) |
| Cosmetic imperfections: (I accuse no one) |
Minor to none |
| Date of receiving: | 2010 - may |
| Machine story: | Although the motor was working fine, the parts around it, leads to malfunctioning and could not be fixed. The handle works well, so I removed the motor. The whole machine is cleaned in warm washing powder water, dehydrate with compressed air and oiled with W40. Smelts ok now. Ink ribbon is renewed. Case is cleaned with cleaning bicycle oil. |
Content without guarantee! (UK); Inhalt Ohne Gewähr! (DL)