Accession No

0727

Brief Description

gunter quadrant, boxwood, English, 2/2 18th century

Origin

London; England

Maker

Class

dials

Earliest Date

1752

Latest Date

1800

Inscription Date

Material

wood (boxwood); metal (brass); rope (string)

Dimensions

114 mm radius

Special Collection

Robert Whipple collection

Provenance

Purchased by Robert Stewart Whipple from the executors of C.H. Cribb, London, England, in 05/1933.

Inscription

Description Notes

Boxwood quadrant with brass sights on right hand edge.
Obverse: Gunter projection for 51˚ 30´ N. Date scale divided to named month, subdivided to 1 day (1st Aries at March 20/21). Ecliptic arc divided to zodiac sign, subdivided to 1˚. Horizon arc divided [0] - 40˚, numbered by 10˚, subdivided to 1˚. Circumference divided [0] - 90˚, numbered by 10˚, subdivided to 1˚. Curved hour lines for summer and winter divided 6 - 12 - 8, numbered by 1, with half-hour lines also shown. Curved azimuth lines divided 0 - 120˚, numbered by 10˚. Some stars marked (see history file).
Reverse plain.

good condition

References

Events