| AcuMath |
| Description | Price | Date | Bids |
Prices of slide rules sold on ebay (the internet auction) in Dec-2004 |
| Vintage Collectible Acumath Slide Rule w/case | $20.50 | 12-Dec-2004 | 10 |
| Acumath Slide Rule w/ case + instructions. Ret | $10.00 | 03-Dec-2004 | 8 |
| AcuMath Slide Rule with Military Case & Logari | $9.70 | 16-Dec-2004 | 1 |
| ACUMATH Slide Rule | $7.18 | 12-Dec-2004 | 3 |
| AcuMath No. 400 Mannhiem type Slide rule | $4.99 | 14-Dec-2004 | 1 |
| Acumath Engraved Slide Rule Mannheim In Box | $4.14 | 16-Dec-2004 | 2 |
| Mint on Card Accumath Student Slide Rule | $3.26 | 06-Dec-2004 | 3 |
| "ACUMATE 12"" SLIDE RULE - EXCELLENT CONDITION | $6.50 | 26-Dec-2004 | 0 |
| "ACUMATH #400 ENGRAVED SLIDE RULE w/CASE, MANU | $5.99 | 08-Dec-2004 | 0 |
| ACUMATH Slide Rule | $5.21 | 04-Dec-2004 | 0 |
| Acumath Engraved Slide Rule Mannheim In Box | $4.95 | 02-Dec-2004 | 0 |
| Acumath Model 500 Slide Rule in box Acu-Rule M | $4.95 | 15-Dec-2004 | 0 |