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Hidden_watermark.jpg (570 × 458 pixels, file size: 86 KB, MIME type: image/jpeg)
Summary
DescriptionHidden watermark.jpg |
English: An electron micrograph of a hidden watermark on CCD filter from 1976. The watermark is a latin inscription naming the researchers and their supervisor and the year: Carolus Paulusque fecit Vanna pinxit Anno Domini MCMLXXVI GC. Lecchi Pontifex Maximus.
Image kindly donated by prof. Giuseppe Ferla. |
Date | |
Source | Own work |
Author | Squidonius |
Licensing
I, the copyright holder of this work, hereby publish it under the following license:
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Items portrayed in this file
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Wikimedia username: Squidonius
author name string: Squidonius
copyright status
copyrighted
copyright license
Creative Commons Attribution-ShareAlike 3.0 Unported
source of file
original creation by uploader
inception
17 August 2011
File history
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Date/Time | Thumbnail | Dimensions | User | Comment | |
---|---|---|---|---|---|
current | 02:47, 17 August 2011 | 570 × 458 (86 KB) | Squidonius |
File usage
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Metadata
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Orientation | Normal |
---|---|
Horizontal resolution | 72 dpi |
Vertical resolution | 72 dpi |
Software used | Adobe Photoshop CS4 Macintosh |
File change date and time | 14:39, 17 August 2011 |
Color space | sRGB |
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