Brass Compass and Sundial

Pocket sundial and compass with brass cap, 3 5/8-inch diameter, by Walker and Son, Dublin, Ireland, 1802-1819. For use at latitude 51.5° (see note).

Details

Category:
Time Measurement
Object Number:
1918-95
Materials:
brass (copper, zinc alloy), glass and steel (metal)
Measurements:
overall: 18 mm 92.075 mm, .265kg
overall (cap): 7 mm 96 mm,
overall (sundial as displayed): 60 mm 92 mm,
type:
compass sundial
credit:
Thomas H. Court

Parts

Brass Compass and Sundial

Brass Compass and Sundial

Pocket sundial and compass, 3 5/8-inch diameter, by Walker and Son, Dublin, Ireland, 1802-1819. For use at latitude 51.5°.

Materials:
brass (copper, zinc alloy) and glass
Object Number:
1918-95/1
type:
sundial
Image ©
The Board of Trustees of the Science Museum
Brass Compass and Sundial Cap

Brass Compass and Sundial Cap

Cap for pocket sundial and compass, 3 5/8-inch diameter, by Walker and Son, Dublin, Ireland, 1802-1819. For use at latitude 51.5°.

Materials:
brass (copper, zinc alloy)
Object Number:
1918-95/2
type:
cover
Image ©
The Board of Trustees of the Science Museum