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  • A tree bearing fruit labelled with virtues; representing the life of the Christian. Coloured etching by J. Couse, c. 1780, after J. Bakewell.
  • On the elements of light and their identity with those of matter, radiant and fixed / [John Howard Kyan].
  • Light energy : its physics, physiological action and therapeutic applications / by Margaret A. Cleaves.
  • Hennig Brand, the German alchemist, discovering phosphorus. Etching, 19th century.
  • Chemistry: burning-glasses and a glass-polishing machine. Coloured engraving by J. Pass, 1799.
  • Full paediatric sensory unit
  • Light energy : its physics, physiological action and therapeutic applications / by Margaret A. Cleaves.
  • A large vehicle (Phoebus's cart), on which is an electrical generator, being pulled along by winged horses with light bulbs on their heads: electricity sweeps all before it. Wood engraving by Swain, 1881, after J. Tenniel.
  • Optics: spectra of various stars, including our sun. Coloured process print by Cassell.
  • Adriaan van Cattenburgh. Drawing, c. 1794.
  • An allegorical monument to Sir Isaac Newton and his theories on prisms. Line engraving by L. Desplaces after D. M. Fratta after G.B. Pittoni, D. Valeriani and G. Valeriani.
  • An allegorical monument to Sir Isaac Newton and his theories on prisms. Line engraving by L. Desplaces after D. M. Fratta after G.B. Pittoni, D. Valeriani and G. Valeriani.
  • Optics: spectra of various substances. Colour aquatint (?) by R.H. Digeon, ca. 1868.
  • Optics: optical phenomena. Coloured engraving by J. Emslie, 1850, after himself.
  • Optics: a colour-circle, after M. E. Chevreul. Colour aquatint (?) by R.H. Digeon, ca. 1868.
  • Optics: spectra of various pigments, compared with that of our Sun. Coloured process print by Cassell.
  • Optics: spectra of various gases. Colour aquatint by R.H. Digeon, ca. 1883.
  • Hennig Brand, the German alchemist, discovering phosphorus. Etching, 19th century.
  • Optics: a soap bubble exhibiting interference colours. Colour mezzotint (?) by M. Rapine, c. 1883, after B. Desgoffe.