All-purpose equatorial sundial. All-purpose equatorial sundial. 18th century.

All-purpose equatorial sundial
Collection MAE RAS: МЛ-3669
Image ID: 3853264
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Museum inventory number:
МЛ-3669
Title:
All-purpose equatorial sundial
Dating:
18th century
Location:
Germany , Bavaria , Augsburg
Materials:
brass, glass, gold plate
Technics:
casting, engraving, gold plating
Commentation:
Hour ring with gnomon-needle and latitude selection scale are fixed on eight-angeled base of compass box. Hour scale III-ХII-IХ with points in 1/2 hour. Latitude selection scale 6°-82° with points in 2° and numbering in 10. 8-rhumb wind rose and line of magnetic declination are on the bottom of the compass. Dial is placed into case with printed table with list of 153 cities and thier latitudes (1-minute accuracy); on the reverse side is application instruction in German and French.
Subject attribute:
Social and humanitarian culture, folk experience, astronomy and cosmology