Permission granted by Ottawa Public Library to take the image for use on Wikipedia. (It should be noted that any such request was as a courtesy -- even if any copyright did attach to such a sign, which is debatable, it would have long expired (given that the sign is 150+ years old)).
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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.
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{{Information |Description={{en|1=Image of the Bytown Mechanics' Institute cornerstone from the original building. Cornerstone currently resides at Ottawa Public Library. Permission granted by Ottawa Public Library to take the image for use on Wikipedia.}
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