| Aristo |
| Description | Price | Date | Bids |
Prices of slide rules sold on ebay (the internet auction) in Jan-2005 |
| Aristo 1067U Darmstadt 20 Inch Slide Rule | $242.50 | 09-Jan-2005 | 11 |
| "3 Aristo Slide Rules, new in box!!!" | $80.00 | 07-Jan-2005 | 2 |
| Aristo 958 Geodat Surveying /Stadia Slide Rule | $70.00 | 09-Jan-2005 | 14 |
| "ARISTO 5"" SLIDE RULE sliderule Nr.868 GERMAN | $66.00 | 06-Jan-2005 | 20 |
| 3 Small Aristo Pocket Slide Rules (one circula | $41.52 | 07-Jan-2005 | 3 |
| MINT WITH CASE ARISTO STUDIO N 968 SLIDE RULE | $40.00 | 03-Jan-2005 | 12 |
| Aristo-studio (Charvoz) large slide rule (968) | $30.90 | 14-Jan-2005 | 4 |
| """Aristo"" 868 Pocket Slide Rule" | $26.00 | 03-Jan-2005 | 11 |
| RARE VINTAGE ARISTO 867U POCKET SLIDE RULE&LEA | $24.48 | 15-Jan-2005 | 5 |
| ARISTO Nr.60112 GERMAN REPRODUCTION CIRCULAR S | $22.48 | 15-Jan-2005 | 4 |
| Aristo Charvoz Engineering Slide Rule #0970 Ge | $20.50 | 20-Jan-2005 | 2 |
| 2 Pocket Slide Rule Aristo MultiLog & Post 144 | $20.41 | 22-Jan-2005 | 9 |
| Aristo Electronic Slide Rule | $16.27 | 08-Jan-2005 | 5 |
| Aristo Charvoz 0970 13 inch German Slide Rule | $15.50 | 22-Jan-2005 | 2 |
| ARISTO COMMERCE SLIDE RULE Model 965 | $13.00 | 18-Jan-2005 | 1 |
| Vintage ARISTO 867U Slide Rule w/ Leather Case | $12.40 | 03-Jan-2005 | 2 |
| "ARISTO Maverick - charvoz - ex.cond. Slide Ru | $12.00 | 17-Jan-2005 | 2 |
| "VINTAGE 6""POCKET SLIDE RULE ARISTO Nr.89 w/L | $9.99 | 15-Jan-2005 | 1 |
| "RARE ARISTO 'TRILOG 0908' SLIDE RULE, GERMANY | $5.50 | 07-Jan-2005 | 2 |
| Aristo Simplex 0911 Slide Rule | $4.99 | 09-Jan-2005 | 1 |
| "BEST! ARISTO 5"" SLIDE RULE sliderule Nr.868 | $49.99 | 17-Jan-2005 | 0 |
| VINTAGE ARISTO Nr.99 RIETZ GERMAN SLIDE RULE w | $9.99 | 15-Jan-2005 | 0 |