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

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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
(Reusing this image)

public domain


This media file is in the public domain in the United States. This applies to U.S. works where the copyright has expired, often because its first publication occurred prior to January 1, 1923. See this page for further explanation.

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actuel5 janvier 2007 à 06:511 684×1 387 (1,2 Mio)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)

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