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A photograph of a page out of Encyclopédie, published by Denis Diderot, showing one phase of the operation of making gun-powder taking place in a 18th Century powder-mill.

This publication would probably been available to The American Philosophical Society prior to the American Revolution.

This photo is from an original page which is in my personal collection. This photo meets the fair use criteria as this publication was in public domain for over two hundred years.Bigjoe5216 05:00, 7 May 2008 (UTC)


Public domain I, the copyright holder of this work, release this work into the public domain. This applies worldwide.
In some countries this may not be legally possible; if so:
I grant anyone the right to use this work for any purpose, without any conditions, unless such conditions are required by law.

Public Domain


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Mime type image/jpeg
Image input equipment manufacturer SONY
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Orientation of image 1
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Image resolution in height direction 4718592/65536
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Date and time original image was generated 2006:07:24 03:01:21
Date and time image was made digital data 2006:07:24 03:01:21
Meaning of each component 
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