| Lafayette |
| Description | Price | Date | Bids |
Prices of slide rules sold on ebay (the internet auction) in Mar-2007 |
| LAFAYETTE POCKET SLIDE RULE IN LEATHER CASE | $37.87 | 12-Mar-2007 | 5 |
| Lafayette Vectorlog F 686 Slide Rule W/ Case | $32.51 | 14-Mar-2007 | 5 |
| Vintage Lafayette 99-7030 Slide Rule w/ Leathe | $19.99 | 04-Mar-2007 | 1 |
| Lafayette VECTORLOG Slide Rule F-686 Made in J | $16.35 | 20-Mar-2007 | 2 |
| Bamboo Japan 150 Relay Sliderule Lafayette wit | $14.27 | 02-Mar-2007 | 3 |
| Vintage Lafayette 686 Sliderule | $13.51 | 28-Mar-2007 | 2 |
| "LAFAYETTE 12"" SLIDE RULE AND LEATHER CASE" | $4.95 | 18-Mar-2007 | 0 |