| Name and Model Number | Aristo 948 Universal |
| Country of Origin | Germany |
| Date of Manufacture | 1950 |
| Front Scales | cm/ L, A [cos^2, sin.cos, sin.cos, C] D, B, K, BI |
| Back Scales | S, ST, T /ins |
| Scale Length | 25.0 cm + 2.6 cm ext |
| Type of Rule | Slide Rule |
| Construction | Plastic |
| Area of Use | Topography |
| Comment | |
| Rarity | RRR |
| Donor | Collection of Rod Lovett |
| Match Number | 5 |
| 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. |