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Double-thread sundial
Museo della Civiltà Contadina del
Friuli
Imperiale (Sundials courtyard)
Photo n° 1 |
The double-threads sundial in the Sundials Courtyard, is
constituted by gnomonic threads placed at a distance one from
the other and inclined in respect to the wall. Designing this
sundial required a complex system of calculations. |
