| Aristo |
| Description | Price | Date | Bids |
Prices of slide rules sold on ebay (the internet auction) in May-2007 |
| Aristo 0972 HyperLog Duplex Slide Rule -NEW iI | $349.00 | 16-May-2007 | 1 |
| Aristo 0972 HyperLog Duplex Slide Rule -NEW iI | $280.00 | 30-May-2007 | 5 |
| ARISTO 869 StudioLog Duplex Slide Rule never u | $249.00 | 17-May-2007 | 1 |
| "ARISTO PERU System GRUTER 10065 Slide Rules S | $225.25 | 13-May-2007 | 10 |
| Vintage ARISTO SLIDE RULE 1067 made in GERMANY | $92.05 | 16-May-2007 | 14 |
| Aristo Geodät 0958 Slide Rule Sliderule with A | $89.00 | 23-May-2007 | 8 |
| Aristo StudioLog 0969 Duplex Slide Rule | $75.00 | 06-May-2007 | 7 |
| Slide Rule Aristo Studio 868 with leather case | $59.00 | 23-May-2007 | 1 |
| Aristo - Multilog slide rule made in Germany | $39.50 | 27-May-2007 | 13 |
| Slide Rule Aristo Studio 968 | $39.00 | 14-May-2007 | 1 |
| Aristo Studio 0968 Slide Rule Sliderule with A | $39.00 | 18-May-2007 | 1 |
| Aristo Studio 0968 Slide Rule Sliderule with A | $39.00 | 12-May-2007 | 1 |
| "Aristo 870 Multilog Pocket Slide Rule, New in | $29.00 | 19-May-2007 | 8 |
| Slide Rule Slidedisk ARISTO 620 Circular Slide | $24.50 | 14-May-2007 | 5 |
| VINTAGE ARISTO MULTILOG SLIDE RULE NO. 0970 GE | $22.49 | 06-May-2007 | 3 |
| VINTAGE SLIDE RULES ARISTO 0970 DIETZGEN 1749 | $21.50 | 14-May-2007 | 3 |
| Aristo Studio 0968 Slide Rule Sliderule with A | $19.99 | 23-May-2007 | 1 |
| Aristo Trilog 0908 Slide Rule Sliderule | $19.99 | 21-May-2007 | 1 |
| Aristo TriLOG 0908 Slide Rule - Made in German | $19.38 | 28-May-2007 | 6 |
| Aristo Scholar 0903 LL Slide Rule Sliderule | $17.99 | 24-May-2007 | 1 |
| Aristo Scholar 0903 LL Slide Rule Sliderule | $17.99 | 12-May-2007 | 1 |
| Vintage Aristo Slide Rule #80152 Made in Germa | $15.50 | 03-May-2007 | 3 |
| CHarvoz Aristo-Multitrig #909 Slide Rule | $15.00 | 31-May-2007 | 1 |
| Aristo Junior 0901 Slide Rule Sliderule | $14.99 | 24-May-2007 | 1 |
| Aristo 0901 Slide Rules - 5 each | $13.95 | 27-May-2007 | 3 |
| Aristo-Charvoz slide rule | $13.29 | 08-May-2007 | 4 |
| ARISTO 810 SLIDE RULE W CASE FAIRCHILD AERIAL | $10.50 | 21-May-2007 | 4 |
| Aristo Studio Slide Rule 0968 & Aristo Rule 14 | $10.50 | 23-May-2007 | 3 |
| ARISTO STUDIO 0968 slide rule regolo calcolato | $10.00 | 19-May-2007 | 12 |
| Slide Rule Aristo 868 with leather case and in | $9.99 | 02-May-2007 | 1 |
| Aristo #89 Pocket Slide Rule W Case ch | $9.99 | 31-May-2007 | 1 |
| Vintage Aristo Studio Mod 868 Slide Rule W Lea | $9.99 | 06-May-2007 | 1 |
| Aristo Scholar Slide Rule type 0903 LL | $9.99 | 13-May-2007 | 2 |
| MINT ARISTO SCHOLAR #0903 SLIDE RULE WITH HARD | $9.99 | 29-May-2007 | 1 |
| 3 Old Rulers & Slide Rules - Aristo #0970 Germ | $9.99 | 30-May-2007 | 1 |
| ANTIQ GERMAN SLIDE RULE ARISTO MULTILOG 870 GE | $19.99 | 11-May-2007 | 0 |
| POCKET SLIDE RULE by ARISTO #868 | $19.95 | 25-May-2007 | 0 |
| POCKET SLIDE RULE by ARISTO #868 | $19.95 | 15-May-2007 | 0 |
| Vintage Aristo Slide Rule #868 W/Leather Case- | $14.99 | 11-May-2007 | 0 |
| Vintage Aristo Slide Rule #867U W/Leather Case | $9.99 | 13-May-2007 | 0 |
| Aristo Junior 0901 Slide Rule Sliderule | $4.99 | 12-May-2007 | 0 |