Accession No

0864

Brief Description

analemmatic dial, by Johann Engelbrecht, German, 1792

Origin

Germany

Maker

Engelbrecht, Johann

Class

dials

Earliest Date

1792

Latest Date

1792

Inscription Date

1792

Material

metal (brass)

Dimensions

Special Collection

Robert Whipple collection

Provenance

Purchased by Robert Stewart Whipple from Malcolm Gardner, London, England, on 24/03/1938. Was previously sold in lot 48 at Sotheby’s on 17/03/1938.

Inscription

‘Fecit Johann Englelbrecht Beraunen
1792’

Description Notes

Brass plate with 3 levelling screws. Standard inclining dial with hour scale divided III - XII, I - IX, numbered by I, subdivided to 15 minutes. Solar declination scales engraved for every 10˚ of the zodiac and marked with the relevant date as well (1st Aries at 21 March). Cardinal points marked in Latin. Folding gnomon for 50˚ N with plumb bob which moves over latitude scale divided 40˚ - 60˚, numbered by 10˚, subdivided to 1˚. Horizontal azimuth dial with elliptical hour scale divided III - XII, I - IX, numbered by I, subdivided to 15 minutes. Folding vertical gnomon moves in slot with zodiac scale and date scale (divided to 10˚ of the zodiac).

good condition

References

Events