File:RotatingDiaphragm Derr1906.png
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Summary
[edit]Figure 50 from Louis Derr, Photography for students of physics and chemistry London: The Macmillan Co., 1906.
Licensing
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File history
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| Date/Time | Thumbnail | Dimensions | User | Comment | |
|---|---|---|---|---|---|
| current | 18:38, 22 May 2006 | | 220 × 300 (37 KB) | Dicklyon (talk | contribs) | Figure 50 from Louis Derr, ''Photography for students of physics and chemistry'' London: The Macmillan Co., 1906. |
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