Enlarged view of a spectroscope, 1874.

Enlarged view of a spectroscope, 1874.
3 1 c m
actual image size: 32cm x 23cm


Plate taken from Joseph Norman Lockyer's, 'Contributions to Solar Physics'. This engraving shows a spectroscope in detail, with the component parts of the instrument identified by a key. A spectroscope is used to analyse the spectrum of solar radiation, with the light split into its constituent wavelengths by prisms.

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© Science Museum / Science & Society Picture Library

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