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4 janv. 1878 - Leander James McCormick donated a 26 inch telescope and observatory, which is named after him, and was built on Mount Jefferson.
Ajouté au bande de temps:
mccormick
By
Rachel
8 févr. 2018
0
0
387
Date:
4 janv. 1878
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~ Il y a 146 ans
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