| Aristo |
| Description | Price | Date | Bids |
Prices of slide rules sold on ebay (the internet auction) in Apr-2005 |
| Vintage ARISTO 0970 multilog slide rule w leat | $70.00 | 10-Apr-2005 | 16 |
| Frisia Oilrule Slide Rule Aristo 40126 Germany | $52.63 | 03-Apr-2005 | 4 |
| Aristo 870 Slide Rule | $32.00 | 13-Apr-2005 | 10 |
| # Aristo Nr.0901 Junior slide rule # | $26.00 | 19-Apr-2005 | 3 |
| ARISTO ELECTRONIC NR 10175 SLIDE RULE GERMANY | $23.45 | 28-Apr-2005 | 3 |
| SLIDE RULE MANUAL for Aristo Multilog No. 0970 | $21.01 | 03-Apr-2005 | 5 |
| VINTAGE ARISTO 0908 SLIDE RULE WITH INSTRUCTIO | $20.50 | 29-Apr-2005 | 7 |
| MIB Aristo 0906 BiScholar Slide Rule 20 scales | $19.99 | 05-Apr-2005 | 1 |
| MIB Aristo 0901 Junior Slide Rule | $14.99 | 06-Apr-2005 | 1 |
| Aristo Slide Rule # 0968 w Hard Case Made in G | $11.16 | 30-Apr-2005 | 4 |
| DD- Aristo Slide Rule with case and instructio | $11.05 | 08-Apr-2005 | 5 |
| Vintage German Made Slide Rule Aristo | $9.99 | 27-Apr-2005 | 1 |
| Vintage German Slide Rule - Aristo Scholar 090 | $2.25 | 16-Apr-2005 | 2 |
| MIB Aristo 0915 Elektro Slide Rule | $39.99 | 15-Apr-2005 | 0 |
| MIB Aristo 0901 Junior Slide Rule | $12.99 | 15-Apr-2005 | 0 |