Accession No

0738

Brief Description

gunter quadrant, brass, by Henry Sutton, English, 1660

Origin

England; London

Maker

Sutton, Henry

Class

dials

Earliest Date

1660

Latest Date

1660

Inscription Date

1660

Material

metal (brass)

Dimensions

165 mm radius

Special Collection

Robert Whipple collection

Provenance

Purchased by Robert Stewart Whipple from T.H. Court in 09/1933. The object was formerly on loan to the Science Museum (Science Museum number 1928.929).

Inscription

‘Henr. Sutton
fecit
1660’
‘Latitude 56.30´’

Description Notes

Gunter quadrant for latitude 56˚ 30´ N. Sights on right hand side of obverse.
Obverse: Gunter projection for 56˚ 30´. Date scale set in 4 successive quadrant arcs above the projection, divided to named month, subdivided to 1 day. Associated declination scale divided [0] - 23˚ 30´, numbered by 10˚, subdivided to 15´ and to 5´ from 20˚. Degree scale along circumference divided 0 - 90˚, numbered by 10˚, subdivided to 15´. Above this a scale for a geometric square in the first 45˚ divided [0] - [10], numbered by 1, subdivided to 0.1; followed by scale of shadows divided 1 - 20, numbered by 1 with various subdivisions. Ecliptic arc divided to zodiac sign, subdivided to 1˚. Horizon arc divided [0] - [45˚], numbered by 10˚, subdivided to 1˚. Curved hour lines for winter and summer divided 6 - 12, 1 - 8, numbered by 1. Azimuth lines divided 10˚ - 130˚, numbered by 10˚. Positions of 6 stars marked as a - f on the projection with a table of their names and right ascensions given above the calendar arc (see history file).
Reverse plain.


good condition

References

Events