| AcuMath |
| Description | Price | Date | Bids |
Prices of slide rules sold on ebay (the internet auction) in Sep-2007 |
| "Acumath, Slide Rule, 9 Scale, NEW, set of 5." | $38.00 | 07-Sep-2007 | 7 |
| "Acumath, Slide Rule, 9 Scale, NEW, set of 5." | $38.00 | 07-Sep-2007 | 7 |
| VINTAGE ACUMATH NO. 400 SLIDE RULE W/CASE | $29.95 | 18-Sep-2007 | 1 |
| "Acumath, Slide Rule, 9 Scale, NEW, set of 5." | $22.48 | 07-Sep-2007 | 3 |
| Sterling ACUMATH Plastic Slide Rule + Case Ins | $9.99 | 13-Sep-2007 | 1 |
| "Acumath, Slide Rule, 9 Scale, NEW" | $8.50 | 07-Sep-2007 | 5 |
| Vintage Acumath Slide Rule No. 600 w/Case | $5.50 | 08-Sep-2007 | 3 |
| ACUMATH SLIDE RULE MADE BY STERLING | $5.00 | 21-Sep-2007 | 1 |
| Acumath Slide Rule Model 900 with Case | $3.99 | 17-Sep-2007 | 1 |
| Acumath.slide rule.USA..w/case & instructions | $9.99 | 16-Sep-2007 | 0 |
| ACUMATH SLIDE RULE NUMBER 400 GREAT CONDITION | $9.99 | 15-Sep-2007 | 0 |
| Vintage Acumath Engraved Slide Rule Box Case M | $9.00 | 17-Sep-2007 | 0 |
| "ACUMATA, 12"" SLIDE RULE" | $4.99 | 05-Sep-2007 | 0 |
| "VINTAGE 1960S SLIDE RULE, WITH CASE-""ACUMATH | $3.99 | 11-Sep-2007 | 0 |