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#3474 Rare dutch sundial from 1659 by I.D. Vos in Strien (Strijen)
Sundial signed: 'Gedaen in Strien. 1659 - I.D.Vos Inventor' (Made in Stijen, I.D.Vos Inventor)

On the winterside are the epacts for the years 1653 - 1672. The epact is reckoned as the age of the ecclesiastical moon on 1 January. Its principal use is in determining the date of Easter.
The angle of the sun and the horizon is used to tell the time on a given date.

diameter 52 mm, brass

 

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Rare dutch sundial from 1659 by I.D. Vos in Strien (Strijen)
Rare dutch sundial from 1659 by I.D. Vos in Strien (Strijen)
Rare dutch sundial from 1659 by I.D. Vos in Strien (Strijen)
Rare dutch sundial from 1659 by I.D. Vos in Strien (Strijen)
Rare dutch sundial from 1659 by I.D. Vos in Strien (Strijen)
Rare dutch sundial from 1659 by I.D. Vos in Strien (Strijen)
Rare dutch sundial from 1659 by I.D. Vos in Strien (Strijen)
 
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