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  • Page describing plates to optics, perspectives & astronomy
  • Optics.
  • Optics: a simple microscope. Engraving.
  • A woman drawing at a desk; representing optics. Engraving by M. Dossier after G. Allou.
  • Optics: three kinds of simple microscope. Engraving.
  • Optics: the principle of multi-lens telescopes. Engraving.
  • Optics: various microscopes. Coloured engraving by J. Pass, 1820.
  • Optics: the principle of the camera obscura. Engraving, 1752.
  • Diagrams on perspective and optics in Po-wu hsin-pien: Part 1: ch'u-chi (textbook on natural sciences)
  • Optics: optical phenomena. Coloured engraving by J. Emslie, 1850, after himself.
  • Optics: a simple microscope. Coloured engraving by J. Pass, 1820.
  • Optics: a simple microscope. Coloured engraving by J. Pass, 1820.
  • Optics: a simple microscope, concealed within a book binding. Engraving.
  • Optics: a variety of microscopes and specimens. Engraving, c.1770.
  • Optics: glass tubes (right) and Leeuwenhoek's first microscope (left) Photograph.
  • Optics: a solar microscope. Engraving, 1787 [by Goodnight after Milne ?].
  • Painting personified with its ancillary arts and sciences: optics, chemistry and mineralogy. Engraving by P.C. Baquoy, 1809, after J.M. Moreau.
  • Optics: four kinds of microscope. Engraving, 1787 [by Goodnight after Milne ?].
  • Optics: three kinds of microscope. Aquatint by R. Laurie, 1787, after Milne.
  • Optics: two kinds of specialist microscope. Engraving, 1787 [by Goodnight after Milne ?].
  • Optics: spectra of various gases. Colour aquatint by R.H. Digeon, ca. 1883.
  • Optics: spectra of various stars, including our sun. Coloured process print by Cassell.
  • Optics: diagrams of reflection and refraction of light. Coloured engraving by J. Pass, 1819.
  • Optics: diagrams of reflection and refraction of light. Coloured engraving by J. Pass, 1820.
  • Optics: diagrams of reflection and refraction of light. Coloured engraving by J. Pass, 1820.
  • Optics: microscopy, including a magnified title page and a specimen holder. Engraving by Barlow.
  • Optics: spectra of various substances. Colour aquatint (?) by R.H. Digeon, ca. 1868.
  • Optics: camera obscura (top) and a Leeuwenhoek style microscope (below). Engraving by Benard [after Lucotte].
  • Optics: a telescopic microscope, and hand-lenses. Aquatint, 1787 [by R. Laurie after Milne ?].
  • Optics: a micrometer, for range-finding [?], with diagrams of its operation. Engraving by Barlow.