File:Leblanc-Zylinderofen.jpg
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| Description |
Deutsch: Zylinderofen für das Leblanc-Verfahren zur Herstellung von Soda |
| Date | by 1890 |
| Source | H. Ost, Lehrbuch der Technischen Chemie, Verlag von Robert Oppenheim, Berlin, 1890, S. 78. |
| Author | Hermann Ost |
| Permission (Reusing this file) |
Copyright has expired, Hermann Ost died in 1931 (Ref.: Winfried R. Pötsch et al., Lexikon bedeutender Chemiker, VEB Bibliographisches Inst. Leipzig, 1988, p. 330) |
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The author died in 1931, so this work is in the public domain in its country of origin and other countries and areas where the copyright term is the author's life plus 80 years or fewer. This work is in the public domain in the United States because it was published (or registered with the U.S. Copyright Office) before January 1, 1929. |
| This file has been identified as being free of known restrictions under copyright law, including all related and neighboring rights. | |
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| Date/Time | Thumbnail | Dimensions | User | Comment | |
|---|---|---|---|---|---|
| current | 07:12, 4 May 2008 | | 1,279 × 990 (957 KB) | Bashir001 (talk | contribs) | {{Information |Description=Zylinderofen für das Leblanc-Verfahren zur Herstellung von Soda |Source=H. Ost, Lehrbuch der Technischen Chemie, Verlag von Robert Oppenheim, Berlin, 1890, S. 78. |Date=1890 |Author=H. Ost |Permission=Copyright has expired |oth |
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