Pair of Darwin gimbal mirrors

Made:: 1916 in Cambridge

designer:: Horace Darwin

maker:: The Cambridge Scientific Instrument Company Limited

Pair of Darwin gimbal mirrors, by Cambridge Scientific Co., 1916, used to track balloons

Details

Category:: Meteorology

Object Number:: 1919-270

Materials:: metal and glass

Measurements:: mirror: length 152 mm
mirror: width 152 mm
overall: length 265 mm
overall: width 280 mm
overall: height 360 mm
slit mounting: height 476 mm
pouch (closed): length 175 mm
pouch (closed): width 85 mm

type:: mirrors

credit:: Ministry of Munitions

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