| Type name / number: | Hamann Manus (model) R | 
| Production / SN: | ; total production quantity ~10 000 | 
| Calculating principle: | Switching Latch Wheel (UK) ; Schalt Klinke (DL) | 
| Calculating functions: | Add, Subtract, Multiply, Divide | 
| Input accuracy | 8 / 9 digits | 
| Calculating accuracy: | 13 digits | 
| Extra's: | Automatic divide and back transfer (value result register to working register). | 
| Designer: | Mr. C. Hamann | 
| Production year: | between 1953 and 1959. | 
| Case material: | Steel / Aluminum | 
| Weight: | 5,9 Kg | 
| External links: | |
| Previous owner: | , Germany | 
| Cosmetic imperfections: (I accuse no one):  | 
    Hardly to find any, a few paint imperfections caused by usage. | 
| Date of receiving: | |
| Machine story: | 
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Content without guarantee! (UK); Inhalt Ohne Gewähr! (DL)