The Dominion Astrophysical Observatory - from the south

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The Dominion Astrophysical Observatory - from the south

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The Dominion Astrophysical Observatory - from the south.jpg

Course of light in telescope from star to focus

Horse-boat at Empy’s Ferry, Osnabruck, Ontario

Author: The Dominion Astrophysical Observatory
Victoria, B.C.
By J. S. Plaskett, F.R.S.
Published in 1923
Available from gutenberg.org
Posted on: Friday 12 November 2021
Dimensions: 500*544
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Albums: Places / America / Canada
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