| Lawrence |
| Description | Price | Date | Bids |
Prices of slide rules sold on ebay (the internet auction) in Jan-2008 |
| Vintage Lawrence 10 Inch Slide Rule | $16.41 | 25-Jan-2008 | 11 |
| Lawrence Slide Rule instruction Book 1940 Quic | $6.00 | 22-Jan-2008 | 1 |
| VINTAGE LAWRENCE SLIDE RULE WOOD Used for Adve | $4.99 | 01-Jan-2008 | 1 |
| Vintage Lawrence Slide Rule Instruction Book! | $3.33 | 16-Jan-2008 | 2 |
| Lawrence 8B Slide Rule | $1.84 | 12-Jan-2008 | 2 |
| "4 vintage Slide Rules Lawrence, Globemaster E | $0.99 | 17-Jan-2008 | 2 |
| "Vintage Wooden Slide Rule,Lawrence Engineerin | $0.99 | 12-Jan-2008 | 1 |
| Vintage Lawrence Engineering Service Wooden Sl | $0.99 | 03-Jan-2008 | 2 |
| "Vintage Lawrence Slide Rule - 10-B, Wooden w/ | $0.99 | 23-Jan-2008 | 1 |
| Wooden Slide Rule Lawrence Engineering Service | $19.95 | 29-Jan-2008 | 0 |
| LAWRENCE DELUXE SLIDE RULE | $14.97 | 14-Jan-2008 | 0 |
| Old Lawrence Engineering Service wood slide ru | $9.99 | 20-Jan-2008 | 0 |
| "Lawrence Engineering Wabash IN 8"" slide rule | $7.87 | 27-Jan-2008 | 0 |
| 1940 Lawrence Slide Rule instruction Booklet | $4.99 | 23-Jan-2008 | 0 |
| 1940 Lawrence Slide Rule instruction Booklet | $4.99 | 30-Jan-2008 | 0 |
| Old Lawrence Engineering Peru Indiana Wood Sli | $4.99 | 31-Jan-2008 | 0 |
| Vintage Lawrence Engineering Peru IN 10-B Slid | $3.50 | 26-Jan-2008 | 0 |
| "1940 Tools Lawrence Slide Rule Instruction Pe | $3.25 | 06-Jan-2008 | 0 |
| "Vintage Wooden Slide Rule,Lawrence Engineerin | $0.99 | 08-Jan-2008 | 0 |