| AcuMath |
| Description | Price | Date | Bids |
Prices of slide rules sold on ebay (the internet auction) in Nov-2007 |
| Slide Rule Lot sterling acumath ruler | $11.11 | 25-Nov-2007 | 3 |
| New Acumath Plastic Slide Rule | $10.50 | 07-Nov-2007 | 3 |
| Acumath Sterling SLIDE RULE #400 Sliderule w/ | $9.99 | 15-Nov-2007 | 1 |
| Vintage Acumath Manheim Slide Rule No. 400 w/b | $8.50 | 25-Nov-2007 | 2 |
| Boxed and Cased Acumath Model 400 Slide Rule | $7.00 | 26-Nov-2007 | 1 |
| Vintage Acumath Trig and Log Log Slide Rule | $5.99 | 12-Nov-2007 | 1 |
| Acumath Slide Rule | $3.95 | 22-Nov-2007 | 2 |
| Vintage Acumath Slide Rule With Case and Box | $2.65 | 12-Nov-2007 | 2 |
| Collectible Mannheim Slide Rule Accumath & Cas | $9.99 | 04-Nov-2007 | 0 |