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Doc. Ing.: Purple [Aiello - 27 February 2022]
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Doc. Ing.: Reflection Sundial by Debora Cabras (2008) [Aiello - 27 February 2022]
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Doc. Ing.: Orologio Armillare Numerico [Aiello - 27 February 2022]
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Doc. Ing.: Reflection Solar Clock On Casa Paviot by Mattia Bagolin (2013) [Aiello - 27 February 2022]
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Doc. Ing.: Solar Time Vertical Quadrant Sundial on Casa Plet by Aurelio Pantanali (1996) [Aiello - 27 February 2022]