Brass quadrant

Made:: 1749-1783 in London

maker:: Jeremiah Sisson

Brass quadrant, 6-inch radius with stand and an optical sight by J. Sisson, London, in mahogany case.

Details

Category:: Astronomy

Object Number:: 1918-168

Materials:: brass, iron, glass, wood and complete

Measurements:: overall: 120 x 320 x 250 mm

type:: quadrant - optical and instrument case

credit:: Mr Thomas H. Court

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