1645_kircher_-_steganographia.jpg
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Summary
| Description |
English:
Illustration of Kircher's Steganographic mirror in his 1645 book
Ars Magna Lucis et Umbrae
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| Date | |
| Source | https://books.google.nl/books?id=wYlDAAAAcAAJ&pg=PA792#v=onepage&q&f=false |
| Author | Athanasius Kircher |
Licensing
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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 70 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. | |