File:Faber-Castell 2-83N-front.jpg
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| Description | Faber-Castell duplex slide rule, front side. |
| Date | 1960s |
| Source | Faber-Castell |
| Author | Faber-Castell |
| Permission (Reusing this file) |
Public Domain. Product never copyrighted according to US law, manufactured and marketed in the late sixties (prior to 01.01.1978). Non-copyrighted in Germany, company's home country (PD as of 01.01.1996). |
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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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File history
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| Date/Time | Thumbnail | Dimensions | User | Comment | |
|---|---|---|---|---|---|
| current | 22:07, 25 May 2008 | | 2,501 × 525 (185 KB) | Charlie42 | {{Information |Description=Faber-Castell duplex slide rule, front side. |Source=Faber-Castell |Date=1960's |Author=Faber-Castell |Permission=Public Domain. Product never copyrighted according to US law, manufactured and marketed in the late sixties (prior |
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