| Slide Rules HOME page | PRICES | < SITE MAP > |
| Otis King | |||
| Description | Price | Date | Bids |
Prices of slide rules sold on ebay (the internet auction) in Apr-2007 | |||
| Geniac (Otis King) Pocket Calculator /Slide Ru | $122.50 | 01-Apr-2007 | 16 |
| Otis King Cylindrical Slide Rule / Calculator | $104.50 | 14-Apr-2007 | 10 |
| very rare spiral slide rule OTIS KING 423 boxe | $93.00 | 14-Apr-2007 | 15 |
| Otis King's Model K Calculator (Cylindrical Sl | $92.87 | 03-Apr-2007 | 13 |