Spectroscope from Norman Lockyer Observatory for solar work

Made:: 1878 in London

maker:: John Browning; D C Chapman

Spectroscope from Norman Lockyer Observatory for solar work by John Browning with diffraction reflection grating ruled on speculum metal by D.C. Chapman with engine of Lewis Morris Rutherfurd, 24 April 1878, 17296 lines per inch.

Details

Category:: Astronomy

Object Number:: 1987-1163

type:: spectroscope - solar and diffraction grating - reflection

credit:: Christie's South Kensington Limited

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