| Aristo |
| Description | Price | Date | Bids |
Prices of slide rules sold on ebay (the internet auction) in Nov-2007 |
| MIB Aristo 101E Overhead Projector Slide Rule | $207.50 | 19-Nov-2007 | 13 |
| ARISTO 101 Overhead Projector Slide Rule Slide | $142.50 | 27-Nov-2007 | 4 |
| Aristo Slide Rule Nr 944 Case Germany TX Estat | $129.38 | 26-Nov-2007 | 6 |
| Slide Rule ARISTO Commerz 955 sliderule | $90.98 | 11-Nov-2007 | 3 |
| ANTIQ GERMAN SLIDE RULE ARISTO 0971 HYPERBOLOG | $88.79 | 13-Nov-2007 | 8 |
| Slide Rule ARISTO 0968 sliderule | $69.00 | 11-Nov-2007 | 1 |
| "ESSO CIRCULAT SLIDE RULE ARISTO N 10144H, Ger | $51.50 | 04-Nov-2007 | 7 |
| Slide Rule ARISTO 99 sliderule | $39.00 | 11-Nov-2007 | 1 |
| Slide Rule ARIST 967 U sliderule | $39.00 | 11-Nov-2007 | 1 |
| Slide Rule ARISTO Studio 968 sliderule | $39.00 | 11-Nov-2007 | 1 |
| Germany ARISTO 868 STUDIO Slide Rule & Pouche | $32.99 | 26-Nov-2007 | 5 |
| "Aristo 0968 Studio Slide Rule, New" | $32.98 | 17-Nov-2007 | 6 |
| ANTIQUE GERMAN SLIDE RULE ARISTO 869 STUDIOLOG | $31.00 | 01-Nov-2007 | 7 |
| Slide Rule ARISTO 0968 sliderule | $29.99 | 27-Nov-2007 | 1 |
| Slide Rule Slide Disk ARISTO Commerz 623 | $20.72 | 27-Nov-2007 | 3 |
| "Vintage: old stock slide rule by ARISTO, Rech | $20.50 | 11-Nov-2007 | 7 |
| VINTAGE SLIDE RULER -ARISTO - NO.829 IN LEATHE | $20.50 | 21-Nov-2007 | 3 |
| Slide Rule ARISTO junior 0901sliderule | $19.00 | 11-Nov-2007 | 1 |
| "Aristo 0602 Circular Slide Rule,Pocket Size,C | $16.29 | 11-Nov-2007 | 4 |
| Aristo-Slide Rule-Germany 1953 | $15.50 | 14-Nov-2007 | 7 |
| "Vintage: old stock slide rule by ""ARISTO Stu | $15.50 | 25-Nov-2007 | 5 |
| Slide Rule ARISTO 99 sliderule | $10.99 | 27-Nov-2007 | 3 |
| Aristo MultiLog 870 Slide Rule & Drafting Scal | $10.50 | 18-Nov-2007 | 2 |
| ARISTO POCKET SLIDE RULE CALCULATOR CONVERTER | $10.50 | 17-Nov-2007 | 1 |
| Slide Rule ARIST 967 U sliderule | $10.49 | 27-Nov-2007 | 5 |
| ~#~SLIDE RULE ARISTO STUDIO~ 968~ GREMANY WITH | $10.49 | 06-Nov-2007 | 2 |
| Aristo Studio Nr. 968 Slide Rule | $9.99 | 04-Nov-2007 | 1 |
| Antique Aristo Darmstadt 867U Slide Rule Germa | $9.99 | 18-Nov-2007 | 1 |
| Germany ARISTO 0903 SCHOLAR Slide Rule NIB unu | $9.99 | 05-Nov-2007 | 1 |
| Slide Rule ARISTO Studio 968 sliderule | $9.99 | 27-Nov-2007 | 2 |
| "VINTAGE SLIDE RULE ""ARISTO MULTILOG"", GERMA | $9.99 | 30-Nov-2007 | 1 |
| "VINTAGE SLIDE RULE, ARISTO 870 MULTILOG, GERM | $9.99 | 30-Nov-2007 | 1 |
| "VINTAGE SLIDE RULE, ARISTO 867 U GERMANY" | $9.99 | 30-Nov-2007 | 1 |
| Vintage ARISTO STUDIO 968 SLIDE RULE ruler | $9.99 | 11-Nov-2007 | 1 |
| "2 slide rules, Aristo 0903LL and 0906LL !!" | $7.50 | 04-Nov-2007 | 8 |
| Slide Rule ARISTO 99 K Dennert & Pape sliderul | $7.49 | 11-Nov-2007 | 2 |
| Aristo Studio Slide Rule Germany No. 0968 | $7.16 | 07-Nov-2007 | 3 |
| Slide Rule ARISTO junior 0901sliderule | $2.99 | 27-Nov-2007 | 1 |
| Aristo Slide Ruler # 0968 W/ Leather Case MINT | $1.04 | 15-Nov-2007 | 2 |
| Aristo Electro double face slide rule logarith | $29.99 | 13-Nov-2007 | 0 |
| Antique Aristo Scholar No-0903 W/Box Slide Rul | $9.99 | 18-Nov-2007 | 0 |