File:Döbereiner fire gadget.png

From WikiMD's medical encyclopedia

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

This file is from Wikimedia Commons and may be used by other projects. The description on its file description page there is shown below.

Summary

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

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.
This file has been identified as being free of known restrictions under copyright law, including all related and neighboring rights.

Captions

Döbereiners hydrogen lighter with catalytic ignition

Items portrayed in this file

depicts

image/png

File history

Click on a date/time to view the file as it appeared at that time.

Date/TimeThumbnailDimensionsUserComment
current01:01, 2 May 2011Thumbnail for version as of 01:01, 2 May 2011672 × 1,254 (25 KB)Mikhail RyazanovOriginal resolution

The following page uses this file: