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The Dominion Astrophysical Observatory - from the south

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The Dominion Astrophysical Observatory - from the south.jpg Wire Railway at the Harwood Coal mines, British ColombiaThumbnailsCourse of light in telescope from star to focusWire Railway at the Harwood Coal mines, British ColombiaThumbnailsCourse of light in telescope from star to focusWire Railway at the Harwood Coal mines, British ColombiaThumbnailsCourse of light in telescope from star to focusWire Railway at the Harwood Coal mines, British ColombiaThumbnailsCourse of light in telescope from star to focus