File:Controls at David Dunlap Observatory.jpg
![File:Controls at David Dunlap Observatory.jpg](https://upload.wikimedia.org/wikipedia/commons/thumb/a/ad/Controls_at_David_Dunlap_Observatory.jpg/478px-Controls_at_David_Dunlap_Observatory.jpg?20171007173403)
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Captions
DescriptionControls at David Dunlap Observatory.jpg |
English: Controls at David Dunlap Observatory |
Date | |
Source | Dunlap Layout at Virtual Reference Library |
Author | Unknown authorUnknown author |
Public domainPublic domainfalsefalse |
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This Canadian work is in the public domain in Canada because its copyright has expired due to one of the following:
it was not subject to Crown copyright, and
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Date/Time | Thumbnail | Dimensions | User | Comment | |
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current | 17:34, 7 October 2017 | ![]() | 1,424 × 1,784 (864 KB) | Mindmatrix (talk | contribs) | {{Information |Description={{en|Controls at David Dunlap Observatory}} |Source=[http://www.virtualreferencelibrary.ca/detail.jsp?Entt=RDMDC-TSPA_0107860F&R=DC-TSPA_0107860F&searchPageType=vrl Dunlap Layout] at Virtual Reference Library |Date=1935 |Auth... |
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