Black glass pyramidal prism

Made:: 1872 in London

maker:: William Ladd

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Black glass pyramidal prism
Science Museum Group
© The Board of Trustees of the Science Museum

Black glass pyramidal prism, used for experiments on polarized light, on brass stand with sliding rod, by William Ladd, London, c.1872

Details

Category:: Optics

Object Number:: 1872-30

Materials:: glass, metal, brass (copper, zinc alloy) and lead

Measurements:: overall: 545 mm x 230 mm x 115 mm, , 2.36kg

type:: optical demonstration equipment

credit:: Ladd, W.

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Black glass pyramidal prism

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