File:Zsigmondy-2.jpg

Original file (2,826 × 4,304 pixels, file size: 1.4 MB, MIME type: image/jpeg)

Summary[edit]

Summary
Description	Title page to a 1905 copy of "Zur Erkenntnis der Kolloide. Uber irreversible Hydrosole und Ultramikroskopie" by Richard Adolf Zsigmondy. Copy located in the Niels Bohr Library & Archives, American Institute of Physics, in College Park, Maryland.
Source	Wikimedia Commons file page
Author	Richard Adolf Zsigmondy
Permission	See original Commons license details.

Public Domain

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Original attribution and file history: Wikimedia Commons

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	Date/Time	Thumbnail	Dimensions	User	Comment
current	22:33, 8 June 2026		2,826 × 4,304 (1.4 MB)	Maintenance script (talk \| contribs)	== Summary == Importing file

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Exposure time	1/125 sec (0.008)
F Number	f/4
ISO speed rating	1,600
Date and time of data generation	00:21, 2 January 2017
Lens focal length	24.3 mm
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Horizontal resolution	72 dpi
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File change date and time	14:21, 25 January 2023
Y and C positioning	Co-sited
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Exif version	2.3
Date and time of digitizing	00:21, 2 January 2017
Meaning of each component	Y Cb Cr does not exist
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APEX shutter speed	7
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APEX exposure bias	0
Maximum land aperture	3 APEX (f/2.83)
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Focal plane X resolution	2,564
Focal plane Y resolution	2,564
Focal plane resolution unit	3
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Scene type	A directly photographed image
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White balance	Auto white balance
Focal length in 35 mm film	36 mm
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Sharpness	Normal
Subject distance range	Unknown