| Name | Hono 300 S.R.E ELEKTRON 25 - No 670 |
| Front Scales | S T F A = B CI C = D P R |
| Back Scales | I/I0 dB P/P0 = = 3 tables |
| Type of Rule | slide rule |
| Material | plastic |
| Dimension (mm) | 298x49.5x4 |
| Area of Use | electrical |
| Origin of Rule | Panagiotis Venetianos |
| Match Number | 3831 |
| Comment | |
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