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The Journal of the Royal Astronomical Society of Canada 1918-07: Vol 12 Iss 6 (1918)

Royal Astronomical Society of Canada · leaf 44

An illustration from The Journal of the Royal Astronomical Society of Canada 1918-07: Vol 12 Iss 6, 1918, leaf 44
981 The Geodetic Comparator

Astronomy · Scholarly Journals · Microfilm

Internet Archive · Public domain (published before 1931). Free to use for anything.

More pictures from The Journal of the Royal Astronomical Society of Canada 1918-07: Vol 12 Iss 6

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