File:Browns gas bubbler.png

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Original file(1,586 × 882 pixels, file size: 30 KB, MIME type: image/png)

Description

Brown's Gas Bubbler

Date
Source European Patent Office patent 1475549
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:

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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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File history

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Date/TimeThumbnailDimensionsUserComment
current17:48, 5 April 2008Thumbnail for version as of 17:48, 5 April 20081,586 × 882 (30 KB)Omegatron (talk | contribs)crop . remove "fig 1" [using an external editor]
07:38, 5 March 2008Thumbnail for version as of 07:38, 5 March 20081,993 × 1,152 (79 KB)Mox83 (talk | contribs){{Information |Description= Brown's Gas Bubbler |Source= [http://v3.espacenet.com/origdoc?DB=EPODOC&IDX=GB1475549&F=0&QPN=GB1475549&RPN=NL7409795&DOC=d5a84ff69d5b16cd8d4b0bc78f36ddad54 European Patent Office] |Date= 1977 June 1 |Author= Yull Brown |Permis
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