File:Joule's Apparatus (Harper's Scan).png

Ifayela ewu ngqo (1,684 × 1,387 pixels, file size: 382 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.

Isifinyezo

Incazelo
English: Engraving of James Joule's apparatus for measuring the mechanical equivalent of heat, in which altitude potential energy from the weight on the right is converted into heat at the left, through stirring of water.
Français : Gravure représentant l’installation expérimentale utilisée par James Joule pour mesurer l’équivalence entre chaleur et travail. L’énergie potentilelle d’altitude du poids, à droite, est convertie en chaleur par agitation de l’eau à gauche.
Usuku
Umthombo Harper's New Monthly Magazine, Vol. 39, No. 231, p. 327, August 1869.
Umlobi Jacob Abbott

Licensing

Public domain
This work is in the public domain in the United States because it was published (or registered with the U.S. Copyright Office) before January 1, 1929.

Public domain works must be out of copyright in both the United States and in the source country of the work in order to be hosted on the Commons. If the work is not a U.S. work, the file must have an additional copyright tag indicating the copyright status in the source country.
Note: This tag should not be used for sound recordings.PD-1923Public domain in the United States//commons.wikimedia.org/wiki/File:Joule%27s_Apparatus_(Harper%27s_Scan).png

Captions

Add a one-line explanation of what this file represents

Items portrayed in this file

depicts i-English

copyright status i-English

public domain i-English

inception i-English

1869

media type i-English

image/png

Umlando womqulu

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

Usuku/IsikhathiIsithonjanaDimensionsUmsebenzisiAmazwana
Njengamanje11:18, 18 uMfumfu 2009Isithonjana senguquko eyenziwa nge-11:18, 18 uMfumfu 20091,684 × 1,387 (382 KB)AriadacapoCleaned up background and improved contrast.
04:51, 5 uMasingana 2007Isithonjana senguquko eyenziwa nge-04:51, 5 uMasingana 20071,684 × 1,387 (1.2 MB)Chowbok{{Information |Description=Engraving of Joule's apparatus for measuring the mechanical equivalent of heat. |Source=''Harper's New Monthly Magazine'', No. 231, August, 1869. |Date=1869 |Author=unknown |Permission=public domain }}{{PD-US}} [[Category:Harper

The following page uses this file:

Ukusetshenziswa komqulu jikelele

Amanye ama-wiki asebenzisa lefayela

View more global usage of this file.