| Aristo |
| Description | Price | Date | Bids |
Prices of slide rules sold on ebay (the internet auction) in Apr-2007 |
| "PERÚ:SLIDE RULE,ARISTO,Nr. 10 065, HAMBURG, 1 | $365.00 | 09-Apr-2007 | 8 |
| Aristo 0972 HyperLog Duplex Slide Rule -NEW iI | $175.00 | 18-Apr-2007 | 1 |
| ARISTO 869 StudioLog Duplex Slide Rule NIB | $175.00 | 18-Apr-2007 | 1 |
| ARISTO 829 MultiTrig Duplex Slide Rule exellen | $150.00 | 25-Apr-2007 | 1 |
| Aristo StudioLog 0969 Duplex Slide Rule | $133.61 | 08-Apr-2007 | 7 |
| "Projection Slide Rule, Aristo Bischolar, Nr. | $129.00 | 22-Apr-2007 | 1 |
| Vintage circular Slide rule ARISTO AVIAT 617 G | $102.50 | 14-Apr-2007 | 7 |
| rare german slide rule ARISTO 0958 GEODAT 400 | $84.00 | 14-Apr-2007 | 7 |
| very rare professional german slide rule ARIST | $77.65 | 14-Apr-2007 | 9 |
| ARISTO AVIAT 617 AVIATOR SLIDE RULE FLIGHT CAL | $66.00 | 06-Apr-2007 | 12 |
| very rare german flight slide rule ARISTO AVIA | $66.00 | 14-Apr-2007 | 12 |
| Slide Rule Aristo StudioLog 0969 Rare Rechensc | $66.00 | 30-Apr-2007 | 2 |
| very rare german slide rule ARISTO 939 Gottsch | $65.00 | 21-Apr-2007 | 12 |
| very rare german slide rule ARISTO STUDIOLOG 8 | $56.80 | 21-Apr-2007 | 10 |
| ARISTO 868 eight-six-eight- StudioL Duplex Sli | $48.77 | 11-Apr-2007 | 9 |
| Aristo Studio 0968 Slide Rule Sliderule with A | $39.00 | 13-Apr-2007 | 1 |
| "Aristo 870 Multilog Pocket Slide Rule, New in | $34.50 | 21-Apr-2007 | 5 |
| rare german slide rule ARISTO 40124 GEYER | $32.73 | 21-Apr-2007 | 7 |
| Aristo Studio 0968 Slide Rule Sliderule with A | $31.45 | 27-Apr-2007 | 4 |
| ARISTO 868 SLIDE RULE & LEATHER CASE | $30.00 | 04-Apr-2007 | 2 |
| Aristo Hyperbolog 0971 SLIDE RULER Gently used | $30.00 | 14-Apr-2007 | 8 |
| COMPLEX ARISTO STUDIO # 0968 GERMAN SLIDE RULE | $29.99 | 18-Apr-2007 | 3 |
| 5 Slide Rule Faber Castell Aristo Sliderules | $29.99 | 16-Apr-2007 | 1 |
| Aristo 870 MultiLog Pocket Slide Rule with lea | $26.00 | 08-Apr-2007 | 8 |
| NICE ARISTO-MULTILOG 24 SCALE SLIDE RULE NO. 0 | $24.95 | 06-Apr-2007 | 1 |
| VINTAGE ARISTO MULTILOG SLIDE RULE CHARVOZ ROO | $23.50 | 25-Apr-2007 | 4 |
| rare german slide rule ARISTO 0902 boxed | $23.50 | 21-Apr-2007 | 3 |
| Aristo 967U Darmstadt Slide Rule | $22.49 | 08-Apr-2007 | 3 |
| STAEDTLER MARS MASTERBOW DRAFTING SET ARISTO S | $21.00 | 05-Apr-2007 | 9 |
| Aristo Slide Rule #868 Good Condition with Lea | $19.99 | 15-Apr-2007 | 1 |
| 5 Slide Rule Faber Castell Aristo Sliderules | $19.95 | 07-Apr-2007 | 2 |
| ARISTO SLIDE RULE Nr.970 leather CASE Made In | $19.49 | 04-Apr-2007 | 5 |
| # Aristo Puck Nr.810 slide rule # | $19.00 | 18-Apr-2007 | 1 |
| # Aristo Nr.89 pocket slide rule # | $19.00 | 18-Apr-2007 | 1 |
| rare german slide rule ARISTO 965 COMMERZ II | $19.00 | 21-Apr-2007 | 3 |
| Slide Rule Aristo 0903 VS-2 Rechenschieber | $16.82 | 27-Apr-2007 | 5 |
| Slide Rule Aristo 0908 Rechenschieber | $16.82 | 27-Apr-2007 | 4 |
| rare german circular slide rule ARISTO 0602 | $16.50 | 14-Apr-2007 | 6 |
| "ARISTO - RIETZ Nr. 89 SLIDE RULE, LEATHER CAS | $15.50 | 01-Apr-2007 | 2 |
| ~ 1958 ARISTO ELECTRONICS SLIDE RULE ~ | $15.50 | 24-Apr-2007 | 2 |
| rare german circular slide rule ARISTO 620 | $15.50 | 21-Apr-2007 | 4 |
| Slide Rule Aristo Rietz Nr.99 Rechenschieber | $9.99 | 18-Apr-2007 | 1 |
| "ARISTO - RIETZ Nr. 89 SLIDE RULE, LEATHER CAS | $9.99 | 10-Apr-2007 | 1 |
| rare german slide rule ARISTO STUDIO 868 | $9.99 | 14-Apr-2007 | 1 |
| german slide rule ARISTO 0901 boxed | $9.99 | 14-Apr-2007 | 1 |
| rare german circular slide rule ARISTO 620 | $9.99 | 19-Apr-2007 | 2 |
| very rare german slide rule ARISTO STUDIOLOG 8 | $9.99 | 19-Apr-2007 | 9 |
| german slide rule ARISTO 0903LL boxed | $6.79 | 14-Apr-2007 | 3 |
| aristo slide rule ruler ARISTO #970 W/LEATHER | $5.00 | 27-Apr-2007 | 1 |
| german slide rule ARISTO 0903 (early version) | $4.99 | 14-Apr-2007 | 1 |
| Aristo Darmstadt 867 Slide Rule Rechenschieber | $4.35 | 06-Apr-2007 | 4 |
| "SLIDE RULE, ARISTO 0903, MADE IN GERMANY" | $2.00 | 16-Apr-2007 | 1 |
| Slide Rule Aristo 0903 Rechenschieber | $1.99 | 27-Apr-2007 | 1 |
| Slide Rule Aristo StudioLog 0969 Rare Rechensc | $99.99 | 18-Apr-2007 | 0 |
| Slide Rule Aristo StudioLog 0969 Rare Rechensc | $50.00 | 23-Apr-2007 | 0 |
| Aristo 0929 MultiRietz Slide Rule Sliderule ve | $29.99 | 06-Apr-2007 | 0 |
| Aristo Slide Rule Nr. 10175 In Clevland Inst. | $25.00 | 08-Apr-2007 | 0 |
| Aristo 0929 MultiRietz Slide Rule Sliderule ve | $24.99 | 14-Apr-2007 | 0 |
| Aristo Studio 0968 Slide Rule Sliderule with A | $19.99 | 19-Apr-2007 | 0 |
| "SLIDE RULE,ARISTO-MULTILOG, Nº 970,GERMANY.IN | $19.99 | 09-Apr-2007 | 0 |
| Slide Rule Aristo Studio 968 | $19.50 | 25-Apr-2007 | 0 |
| Vintage Aristo Slide Rule Darmstadt D #867 Use | $14.99 | 17-Apr-2007 | 0 |
| Aristo Studio Model 968 Slide Rule and Case | $14.99 | 12-Apr-2007 | 0 |
| Aristo Darmstadt 867 U Slide Rule Rechenschieb | $9.99 | 18-Apr-2007 | 0 |
| german slide rule ARISTO 99 with cover | $9.99 | 19-Apr-2007 | 0 |
| rare german slide rule ARISTO 0902 boxed | $9.99 | 19-Apr-2007 | 0 |
| german slide rule ARISTO 99 with cover | $9.99 | 21-Apr-2007 | 0 |
| Very Nice Aristo Nr. 99k Slide Rule | $9.95 | 12-Apr-2007 | 0 |
| VINTAGE ARISTO RIETZ #89 SLIDE RULE NEAR MINT | $5.99 | 14-Apr-2007 | 0 |
| german slide rule ARISTO 89 | $2.99 | 14-Apr-2007 | 0 |