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File:Electric arc torch.png

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Original file (1,351 × 769 pixels, file size: 121 KB, MIME type: image/png)

Description This is an image of a stoichiometric proportion of hydrogen and oxygen being passed through an torch equipped with an electric arc.
Date
Source European Patent Office
Author Yull Brown
Permission
(Reusing this file)		 It's an image from a patent with no copyright; (Swiss patent CH 605005 (A5))
Public domain
This image is from or of:
  • a law, ordinance, international treaty or other official act
  • a decision, protocol or report by public authorities
  • a means of payment
  • a patent or patent application
of Switzerland or the Swiss cantons. It is therefore not protected by copyright by virtue of Art. 5 of the Swiss Copyright Act.

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Items portrayed in this file

depicts

inception

1 June 1977

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Date/TimeThumbnailDimensionsUserComment
current17:50, 5 April 2008Thumbnail for version as of 17:50, 5 April 20081,351 × 769 (121 KB)Omegatroncrop, rotate, remove speckles and figure number [using an external editor]
07:55, 5 March 2008Thumbnail for version as of 07:55, 5 March 20081,411 × 918 (44 KB)Mox83{{Information |Description= This is an image of a stoichiometric proportion of hydrogen and oxygen being passed through an torch equipped with an electric arc. |Source= [http://v3.espacenet.com/origdoc?DB=EPODOC&IDX=GB1475549&F=0&QPN=GB1475549&RPN=NL74097
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