| Lawrence |
| Description | Price | Date | Bids |
Prices of slide rules sold on ebay (the internet auction) in Jul-2008 |
| Old LAWRENCE 25cent Engineering SLIDE RULE -OR | $10.25 | 14-Jul-2008 | 2 |
| Lawrence Slide Rule in original Sleeve with Bo | $9.99 | 21-Jul-2008 | 1 |
| Vintage Lawrence Deluxe Wood SLIDE RULE Orig. | $7.50 | 29-Jul-2008 | 1 |
| Vintage Lawrence Deluxe Wood SLIDE RULE Orig. | $7.50 | 29-Jul-2008 | 1 |
| VINTAGE SLIDE RULE w/BOX LAWRENCE MODEL 10-B | $6.77 | 06-Jul-2008 | 3 |
| LAWRENCE SLIDE RULE VINTAGE PERU INDIANA ORIGI | $6.00 | 19-Jul-2008 | 1 |
| vintage Lawrence SLIDE RULE wood | $4.99 | 30-Jul-2008 | 1 |
| "Vintage Lawrence Engineer slide ruler, org in | $3.00 | 05-Jul-2008 | 1 |
| LAWRENCE DELUXE SLIDE RULE | $14.97 | 14-Jul-2008 | 0 |
| Vintage Lawrence Slide Ruler w/box | $10.00 | 07-Jul-2008 | 0 |
| Vintage Lawrence Slide Ruler w/box | $10.00 | 22-Jul-2008 | 0 |
| LAWRENCE WOODEN SLIDE RULE USA | $10.00 | 24-Jul-2008 | 0 |
| old Lawrence Wood Slide Rule with Case in grea | $9.99 | 17-Jul-2008 | 0 |
| old Lawrence Wood Slide Rule with Case in grea | $9.99 | 23-Jul-2008 | 0 |
| Vintage Lawrence Engineering Slide Rule | $9.99 | 24-Jul-2008 | 0 |
| VINTAGE LAWRENCE ENGINEERING SLIDE RULE | $9.95 | 09-Jul-2008 | 0 |
| VINTAGE LAWRENCE ENGINEERING SERVICE SLIDE RUL | $7.99 | 13-Jul-2008 | 0 |
| VINTAGE LAWRENCE ENGINEERING SERVICE SLIDE RUL | $7.99 | 29-Jul-2008 | 0 |
| VINTAGE LAWRENCE ENGINEERING SERVICE SLIDE RUL | $7.99 | 29-Jul-2008 | 0 |
| "Lawrence 10"" Wood Slide Rule with Box--Basic | $6.50 | 30-Jul-2008 | 0 |
| LAWRENCE SLIDE RULE VINTAGE PERU INDIANA ORIGI | $6.00 | 14-Jul-2008 | 0 |
| old Lawrence Wood Slide Rule with Case in grea | $5.00 | 30-Jul-2008 | 0 |
| Vintage 1939 Lawrence Slide Rule Instruction B | $4.88 | 21-Jul-2008 | 0 |
| Vintage 1939 Lawrence Slide Rule Instruction B | $4.88 | 14-Jul-2008 | 0 |
| Old Lawrence Deluxe Slide Rule in Box w/ instr | $3.99 | 27-Jul-2008 | 0 |
| "Vintage Lawrence Engineer slide ruler, org in | $3.00 | 04-Jul-2008 | 0 |
| VINTAGE SLIDE RULE w/BOX LAWRENCE MODEL 10-B | $2.00 | 04-Jul-2008 | 0 |