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How to make a sundial
How to make a sundial
Sundials are seemingly simple time-measuring instruments, but it is not an easy task to build an accurate one.
Geografi
Klasser 9 – 12
Forfatter: Kovács Attila
Korrektur: Csányi Sándor
Grafisk designer: Molnár Mónika
Utvikler: Gálea Patrik, Jeszenszky Anna
Nøkkelord
mozaLink
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