File:Johann Otto von Hellwig 1712.jpg
![File:Johann Otto von Hellwig 1712.jpg](https://upload.wikimedia.org/wikipedia/commons/thumb/5/5d/Johann_Otto_von_Hellwig_1712.jpg/351px-Johann_Otto_von_Hellwig_1712.jpg?20101031094807)
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Captions
Captions
Summary
[edit]DescriptionJohann Otto von Hellwig 1712.jpg |
English: Baron Johann Otto von Hellwig (1654-1698). Physician and alchemist. Frontispice from his work Arcana majora (1712)
Deutsch: Baron Johann Otto von Hellwig (1654-1698). Arzt, Alchemist, Frontispiz des Werks Arcana majora (1712) |
Date | |
Source | https://www.flickr.com/photos/chemheritage/3248528660/sizes/o/in/photostream/ |
Author | Jacob Petrus |
Licensing
[edit]
This is a faithful photographic reproduction of a two-dimensional, public domain work of art. The work of art itself is in the public domain for the following reason:
The official position taken by the Wikimedia Foundation is that "faithful reproductions of two-dimensional public domain works of art are public domain".
This photographic reproduction is therefore also considered to be in the public domain in the United States. In other jurisdictions, re-use of this content may be restricted; see Reuse of PD-Art photographs for details. |
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File history
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Date/Time | Thumbnail | Dimensions | User | Comment | |
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current | 09:48, 31 October 2010 | ![]() | 439 × 750 (344 KB) | WolfgangMichel (talk | contribs) | {{Information |Description={{en|1=Baron Johann Otto von Hellwig (1654-1698). Physician and alchemist. Frontispice from his work Arcana majora (1712)}} {{de|1=Baron Johann Otto von Hellwig (1654-1698). Arzt, Alchemist, Frontispiz des Werks Arcana majora (1 |
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Metadata
This file contains additional information such as Exif metadata which may have been added by the digital camera, scanner, or software program used to create or digitize it. If the file has been modified from its original state, some details such as the timestamp may not fully reflect those of the original file. The timestamp is only as accurate as the clock in the camera, and it may be completely wrong.
Camera manufacturer | NIKON CORPORATION |
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Camera model | NIKON D2X |
Author | Douglas A. Lockard |
Exposure time | 1/100 sec (0.01) |
F-number | f/25 |
ISO speed rating | 100 |
Date and time of data generation | 15:37, 30 July 2007 |
Lens focal length | 60 mm |
Orientation | Normal |
Horizontal resolution | 150 dpi |
Vertical resolution | 150 dpi |
Software used | Adobe Photoshop Elements 2.0 |
File change date and time | 09:26, 8 August 2007 |
Exposure Program | Manual |
Exif version | 2.21 |
Date and time of digitizing | 15:37, 30 July 2007 |
APEX exposure bias | 0 |
Maximum land aperture | 3.4 APEX (f/3.25) |
Metering mode | Center weighted average |
Light source | Unknown |
Flash | Flash did not fire |
DateTime subseconds | 32 |
DateTimeOriginal subseconds | 32 |
DateTimeDigitized subseconds | 32 |
Color space | Uncalibrated |
Sensing method | One-chip color area sensor |
Custom image processing | Normal process |
Exposure mode | Manual exposure |
White balance | Manual white balance |
Digital zoom ratio | 1 |
Focal length in 35 mm film | 90 mm |
Scene capture type | Standard |
Contrast | Normal |
Saturation | Normal |
Sharpness | Normal |
Subject distance range | Unknown |