File:Ptp p83 img02.png
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Summary
[edit]DescriptionPtp p83 img02.png |
English: Second illustration on page 64 (83) captioned “Steinheil's Symmetrical Aplanat, F/8” |
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Date | ||||||
Source | https://archive.org/details/PhotographyTheoryAndPractice | |||||
Author | L.P. Clerc | |||||
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[edit]Public domainPublic domainfalsefalse |
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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.
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This file has been identified as being free of known restrictions under copyright law, including all related and neighboring rights. |
https://creativecommons.org/publicdomain/mark/1.0/PDMCreative Commons Public Domain Mark 1.0falsefalse
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Date/Time | Thumbnail | Dimensions | User | Comment | |
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current | 06:24, 14 April 2011 | ![]() | 795 × 521 (104 KB) | Atelierelealbe (talk | contribs) | {{Information |Description ={{en|1=Second illustration on page 64 (83) captioned “Steinheil's Symmetrical Aplanat, F/8”}} |Source =http://www.archive.org/details/PhotographyTheoryAndPractice |Author =L.P. Clerc |Date =1937 |
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