File:1092px-1200px-Joule's Apparatus (Harper's Scan).png

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	Date/Time	Thumbnail	Dimensions	User	Comment
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PNG file comment	File source: https://energyeducation.ca/encyclopedia/File:1200px-Joule%27s_Apparatus_(Harper%27s_Scan).png
Horizontal resolution	236.22 dpc
Vertical resolution	236.22 dpc
File change date and time	15:53, 2 November 2025
Software used	https://legacy.imagemagick.org