A modern version of the Thomson type azimuth mirror, called an azimuth circle

Made:: 1945-1951 in Watford

maker:: S G Brown Limited

A modern version of the Thomson type azimuth mirror, called an azimuth circle, used to take bearings of terrestrial and celestial objects from a compass, by SG Brown Limited, Watford, Hertfordshire, England, 1945-1951

Details

Category:: Navigation

Object Number:: 1951-209

Materials:: brass (copper, zinc alloy), metal (unknown), glass and mirror-glass (silvered)

Measurements:: overall: 170 mm 270 mm,

type:: azimuth circle

credit:: Mrs. S G Brown.

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Parts

Carrying case for Thomson type azimuth circle

Carrying case for modern version of the Thomson type azimuth mirror, called an azimuth circle, used to take bearings of terrestrial and celestial objects from a compass, by SG Brown Limited, English, 1945-1951