Brass demonstration polariscope with biaxial crystal

Made:: 1830-1880 in United Kingdom

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Brass demonstration polariscope with biaxial crystal (calcite?)
Science Museum Group
© The Board of Trustees of the Science Museum

Brass demonstration polariscope with biaxial crystal (calcite?), unsigned, British, 1830-1880. Once the property of Sylvanus P Thompson (1851-1916), professor of physics at the City and Guilds Technical College in Finsbury, England.

Details

Category:: Optics

Object Number:: 1982-1550

Materials:: brass (copper, zinc alloy), glass and calcite

Measurements:: overall: Ht. 65 mm x Dia. 22 mm, Wt. 0.051kg

type:: polariscope and optical demonstration equipment

credit:: Aggs, G.

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