| Aristo |
| Description | Price | Date | Bids |
Prices of slide rules sold on ebay (the internet auction) in Nov-2004 |
| Aristo StudioLog 0969 Slide Rule | $86.00 | 28-Nov-2004 | 9 |
| Aristo 0969 StudioLog Slide Rule | $78.77 | 21-Nov-2004 | 38 |
| "rare german slide rule ARISTO 1067U 23""" | $76.00 | 28-Nov-2004 | 9 |
| Aristo StudioLog 0969 slide rule. | $56.00 | 28-Nov-2004 | 11 |
| Charvoz( Aristo #870) Pocket Slide Rule w/Leat | $51.00 | 16-Nov-2004 | 13 |
| rare german commercial slide rule ARISTO 955 | $44.51 | 28-Nov-2004 | 9 |
| Aristo 0969 StudioLog Slide Rule | $43.85 | 07-Nov-2004 | 6 |
| Very rare german circular slide rule ARISTO 06 | $23.50 | 28-Nov-2004 | 5 |
| german slide rule ARISTO 967 | $21.76 | 28-Nov-2004 | 4 |
| ARISTO Pocket size Slide Rule with Leather cas | $19.99 | 03-Nov-2004 | 1 |
| OLD Aristo German slide rule Dennert & Pape No | $19.00 | 12-Nov-2004 | 6 |
| Aristo Multilog Slide Rule Leather Case Charvo | $16.27 | 06-Nov-2004 | 4 |
| VINTAGE ARISTO SLIDE RULE | $15.50 | 22-Nov-2004 | 8 |
| HARVOZ ARISTO Slide Rule #0929 ... very fine!! | $12.50 | 21-Nov-2004 | 5 |
| "Aristo Multilog German Charvoz 10"" Slide Rul | $12.06 | 24-Nov-2004 | 5 |
| "Aristo Nr. 909 Slide Rule, MultiTrig, Germany | $11.01 | 06-Nov-2004 | 2 |
| german slide rule ARISTO 0901 MINT | $9.99 | 28-Nov-2004 | 1 |
| Aristo Charvoz Multilog Slide Rule # 0970 Germ | $9.99 | 17-Nov-2004 | 1 |
| Slide Rule- 1957 Aristo Scholar 0903- Excellen | $6.50 | 21-Nov-2004 | 2 |
| Aristo Slide Rule...Germany | $5.50 | 12-Nov-2004 | 2 |
| Slide Rule - Aristo charvoz | $3.81 | 06-Nov-2004 | 2 |
| "Aristo ""Scholar"" Slide Rule w. box Good con | $1.00 | 11-Nov-2004 | 1 |
| ARISTO SCHOLAR 0903 SLIDE RULE GERMANY RULER C | $5.99 | 13-Nov-2004 | 0 |
| ARISTO SCHOLAR 0903 SLIDE RULE GERMANY RULER C | $3.99 | 20-Nov-2004 | 0 |
| "2 Slide Rules w Cases. Aristo, Germany & Acu | $3.99 | 20-Nov-2004 | 0 |