{{ /original_epstein_frame_1900.png?500 }} 

Drawing of [[/Epstein frame]] invented by [[/Josef Epstein]] as published in 1900.

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  original_epstein_frame_1900.png
This is copy of an image which was published in 1900 and it is therefore in the [[wp>Public Domain]].   


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{{tag>Files Epstein_frame}}