File:Birkenpechdestille_Eintopfverfahren.JPG
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Summary
DescriptionBirkenpechdestille Eintopfverfahren.JPG |
English: Modern way of producing birch bark tar in a single pot: The birch bark is heated unter airtight conditions, the final product consists of tar and the ashes of the bark. The hole in the can should be stoppered (e.g. by a thin sharpened stick) as soon as the can is withdrawn from the heat source and allowed to cool. In this way, oxidation of the tar is prevented.
Deutsch: Moderne Versuchsanordnung zur Birkenpechherstellung im Eintopfverfahren: Die Birkenrinde wird unter Luftabschluss in einem Gefäss verschwelt, das Endprodukt besteht aus Teer und veraschter Rinde. |
Date | |
Source | Own work |
Author | Jorre |
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Permission is granted to copy, distribute and/or modify this document under the terms of the GNU Free Documentation License, Version 1.2 or any later version published by the Free Software Foundation; with no Invariant Sections, no Front-Cover Texts, and no Back-Cover Texts. A copy of the license is included in the section entitled GNU Free Documentation License.http://www.gnu.org/copyleft/fdl.htmlGFDLGNU Free Documentation Licensetruetrue |
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30 June 2008
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Date/Time | Thumbnail | Dimensions | User | Comment | |
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current | 18:08, 30 June 2008 | 1,725 × 2,373 (1.32 MB) | Jorre | {{Information |Description={{en|1=Modern way of producing birch bark tar in a single pot: The birch bark is heated unter airtight conditions, the final product consists of tar and the ashes of the bark.}} {{de|1=Moderne Birkenpechherstellung im Eintopfver |
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Metadata
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Image title | OLYMPUS DIGITAL CAMERA |
---|---|
Camera manufacturer | OLYMPUS IMAGING CORP. |
Camera model | C55Z,C5500Z |
Exposure time | 1/100 sec (0.01) |
F-number | f/4 |
ISO speed rating | 80 |
Date and time of data generation | 13:18, 28 January 2006 |
Lens focal length | 7.9 mm |
Orientation | Normal |
Horizontal resolution | 72 dpi |
Vertical resolution | 72 dpi |
Software used | Adobe Photoshop Elements 2.0 |
File change date and time | 11:27, 24 June 2008 |
Y and C positioning | Co-sited |
Exposure Program | Creative program (biased toward depth of field) |
Exif version | 2.21 |
Date and time of digitizing | 13:18, 28 January 2006 |
Image compression mode | 2 |
Exposure bias | 0 |
Maximum land aperture | 2.97 APEX (f/2.8) |
Metering mode | Pattern |
Light source | Unknown |
Flash | Flash did not fire, compulsory flash suppression |
Color space | sRGB |
Custom image processing | Normal process |
Exposure mode | Auto exposure |
White balance | Auto white balance |
Digital zoom ratio | 0 |
Scene capture type | Standard |
Contrast | Normal |
Saturation | Normal |
Sharpness | Normal |