File:Döbereiner fire gadget.png

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Original file(672 × 1,254 pixels, file size: 25 KB, MIME type: image/png)

Captions

Captions

Döbereiners hydrogen lighter with catalytic ignition

Summary

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English: Drawing of a hydrogen lighter invented by Johann Wolfgang Döbereiner.

Components: a. Acid reservoir b. Reaction chamber and hydrogen tank c. Control rod d. Zinc ingot e. Valve f. Hydrogen nozzle g. Platinum catalyst

The picture is copied from Projekt Runeberg which contains only very old and therefore non-copyrighted material.


Deutsch: Zeichnung eines Wasserstofffeuerzeugs nach Johann Wolfgang Döbereiner. Komponenten: a. Säurereservoir b. Reaktionsgefäss und Wasserstofftank c. Kontrollstab d. Zinkbarren e. Ventil f. Wasserstoffdüse g. Platinkatalysator

Licensing

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Public domain

This work is in the public domain in its country of origin and other countries and areas where the copyright term is the author's life plus 70 years or fewer.


You must also include a United States public domain tag to indicate why this work is in the public domain in the United States.

File history

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Date/TimeThumbnailDimensionsUserComment
current01:01, 2 May 2011Thumbnail for version as of 01:01, 2 May 2011672 × 1,254 (25 KB)Mikhail Ryazanov (talk | contribs)Original resolution
08:50, 25 February 2006Thumbnail for version as of 08:50, 25 February 2006171 × 316 (12 KB)Etxrge~commonswiki (talk | contribs)The picture is copied from [http://runeberg.org/nfbg/0098.html Projekt Runeberg] which contains only vry old and therefore non-copyrighted material. The picture shows a gadget that makes fire and that was invented by Johann Wolfgang Döbereiner .

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