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File:RotatingDiaphragm Derr1906.png

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RotatingDiaphragm_Derr1906.png (220 × 300 pixels, file size: 37 KB, MIME type: image/png)

Summary

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Figure 50 from Louis Derr, Photography for students of physics and chemistry London: The Macmillan Co., 1906.

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File history

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Date/TimeThumbnailDimensionsUserComment
current18:38, 22 May 2006Thumbnail for version as of 18:38, 22 May 2006220 × 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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