File:Aristo 829 Multirietz.jpg
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Size of this preview: 800 × 461 pixels. Other resolutions: 320 × 184 pixels | 640 × 369 pixels | 1,076 × 620 pixels.
Original file (1,076 × 620 pixels, file size: 125 KB, MIME type: image/jpeg)
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| Description | Aristo MultiRietz 829 slide rule |
| Date | 1960s |
| Source | Aristo |
| Author | Aristo |
| Permission (Reusing this file) |
Public Domain. Product never copyrighted according to US law, manufactured and marketed in the sixties (prior to 01.01.1978). Non-copyrighted in Germany, company's home country (PD as of 01.01.1996). Manufacturer liquidated as of 1978. |
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This file is in the public domain because the pictured product was manufactured and marketed prior to January 1, 1978 outside the United States. Non-compliant with US copyright formalities. Public domain, non-copyrighted, in it's home country Germany as of January 1, 1996.
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| Date/Time | Thumbnail | Dimensions | User | Comment | |
|---|---|---|---|---|---|
| current | 22:12, 25 May 2008 | | 1,076 × 620 (125 KB) | Charlie42 (talk | contribs) | {{Information |Description=Aristo MultiRietz 829 slide rule |Source=Aristo |Date=1960's |Author=Aristo |Permission=Public Domain. Product never copyrighted according to US law, manufactured and marketed in the sixties (prior to 01.01.1978). Non-copyrighte |
| 13:12, 24 May 2008 |  | 1,076 × 620 (152 KB) | Charlie42 (talk | contribs) | {{Information |Description=Aristo MultiRietz 829 slide rule |Source=International Slide Rule Museum www.sliderulemuseum.com |Date=24 May 2008 |Author=Aristo |Permission=Public Domain. Product never copyrighted according to US law, manufactured and markete |
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