| Name and Model Number | Aristo 829 Technica |
| Country of Origin | Germany |
| Date of Manufacture | 1953 |
| Front Scales | cm// P, A [B, T, ST, S] D, DI ins |
| Back Scales | K, DF [CF, CIF, CI, C] D, L |
| Scale Length | 12.5 cm + 1.4 cm extension |
| Type of Rule | Slide Rule |
| Construction | Plastic |
| Area of Use | Generic |
| Comment | |
| Rarity | RR |
| Donor | Collection of Rod Lovett |
| Match Number | 12 |
| Thumbnail |  |
| RR | = Rare -- 1 of 25 collectors has one; it may take a year to find an example in the marketplace. |
| RRR | = Very rare -- only very few known to collectors; may take several years before one comes up for sale. |
| RRRR | = Extremely rare -- a museum piece; unlikely that an example will ever come up for sale. |