Category:1869 in astronomy
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Deutsch: 1869 in der Astronomie
English: 1869 in astronomy
Македонски: Астрономијата во 1869 година
Русский: 1869 год в астрономии
Svenska: Astronomiåret 1869
Subcategories
This category has the following 4 subcategories, out of 4 total.
Media in category "1869 in astronomy"
This category contains only the following file.
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August Treboniu Laurian - Elemente de cosmografia - pentru Classele Primarie.pdf 710 × 1,154, 33 pages; 6.37 MB