10.25384/SAGE.6341522.v1 Jacek P. Szubiakowski Jacek P. Szubiakowski Jarosław Włodarczyk Jarosław Włodarczyk Supplemental material for The Solar Dial in the Olsztyn Castle: Its Construction and Relation to Copernicus SAGE Journals 2018 Copernicus sundial equinox tropical year calendar observations of the sun 2018-05-22 12:00:00 Journal contribution https://sage.figshare.com/articles/journal_contribution/Supplemental_material_for_The_Solar_Dial_in_the_Olsztyn_Castle_Its_Construction_and_Relation_to_Copernicus/6341522 <p>Supplemental material for The Solar Dial in the Olsztyn Castle: Its Construction and Relation to Copernicus by Jacek P. Szubiakowski and Jarosław Włodarczyk in Journal for the History of Astronomy</p>