Vintage ACU-MATH Model No. 500 12" Scientific Precision Slide Rule
PreOwned in excellent condition, all markings and characters unworn and clearly readable (see actual photos).
Product Features:
- The answer to what to do when the power goes out.
- Model No. 500 made in USA for students and business people.
- 12 " Vinyl student Mannheim trigonometry slide rule.
- 9 basic scales are engraved on face to simplify operation.
- Decimal equivalents, SAE equivalents, unit conversions, and settings on back.
- Fully adjustable end brackets, optically correct indicator.
- Has these scales on front face: S K A <B CI C > D L T
Further details about this Slide Rule:| Brand | ACU-MATH |
| Model | No. 500 |
| Country of Manufacture | USA |
| Scales Front | S, K, A [B, CI, C] D, L, T |
| Scales Back | Equivalence tables |
| Number of Scales | 9 |
| Slide Rule Materials | Plastic |
| Cursor Materials | Plastic |
| Cursor Lines | 1 Front |
| Scale Length | 25 cm |
| Length | 31.4 cm |
| Width | 3.9 cm |