File:Blackboard1257.jpg

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Original file (1,600 × 968 pixels, file size: 409 KB, MIME type: image/jpeg)

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Summary

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Description
Deutsch: 2 schwarze Tafeln und "Lehrertisch"; Frontalansicht
English: 2 blackboards with formulas and calculations about "thermodynamics"; front-view
Date
Source www.4freephotos.com
Author by alegri / 4freephotos.com
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Licensing

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w:en:Creative Commons
attribution
This file is licensed under the Creative Commons Attribution 3.0 Unported license.
Attribution: by alegri / 4freephotos.com
You are free:
  • to share – to copy, distribute and transmit the work
  • to remix – to adapt the work
Under the following conditions:
  • attribution – You must give appropriate credit, provide a link to the license, and indicate if changes were made. You may do so in any reasonable manner, but not in any way that suggests the licensor endorses you or your use.
This file, which was originally posted to www.4freephotos.com, was reviewed on 27 November 2011 by reviewer Platonides, who confirmed that it was available there under the stated license on that date.

File history

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Date/TimeThumbnailDimensionsUserComment
current18:46, 24 November 2011Thumbnail for version as of 18:46, 24 November 20111,600 × 968 (409 KB)Rillke (talk | contribs)

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