| AcuMath |
| Description | Price | Date | Bids |
Prices of slide rules sold on ebay (the internet auction) in Mar-2007 |
| 12in. STERLING ACUMATIC SLIDE RULE 9 SCALES WI | $7.50 | 04-Mar-2007 | 1 |
| ACUMATH SLIDE RULE # 400 | $7.50 | 03-Mar-2007 | 2 |
| acumath #400 slide rule lk.new w/original inst | $6.00 | 04-Mar-2007 | 3 |
| "Acumath 400 Slide Rule, Case, Manual, 1950s." | $5.99 | 06-Mar-2007 | 1 |
| ACUMATH SLIDE RULE MODEL #400 w/ Plastic Case | $5.99 | 25-Mar-2007 | 1 |
| ACUMATH ENGRAVED SLIDE RULE | $4.95 | 15-Mar-2007 | 1 |
| VINTAGE SLIDE RULE ACUMATH MANNHEIM TYPE MANUA | $3.99 | 28-Mar-2007 | 2 |
| UNUSUAL ACCUMATH # 511 SLIDE RULE MANHEIM PROF | $2.25 | 20-Mar-2007 | 2 |
| ACUMATH Slide Rule | $0.99 | 30-Mar-2007 | 1 |
| AccuMath Slide Rule - 12 Inch GREAT CONDITION! | $5.50 | 26-Mar-2007 | 0 |
| 1950's Vintage AcuMath Slide Rule in Original | $0.99 | 15-Mar-2007 | 0 |