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Harmanus van Deyl

1738 - 1809

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Harmanus van Deyl (1738-1809) was the first to commercially produce achromatic microscopes. He and his father, Jan van Deyl (1715-1801) developed an achromatic objective for the microscope around 1770, but it was not until 1807 that they were confident enough to publish a description of their achromatic objective and manufacture microscopes with it.
Terms
  • Netherlands
  • Amsterdam
Harmanus van Deijl, "Kort bericht der trapswijze Verbeteringen aan achromatische Verrekijkers en het Stam-microscoop, door Jan en Harmanus van Deijl, te Amsterdam," <i>Natuurkundige Verhandelingen van de Koninglijk Maatschappij der Wetenschappen te Haarlem</i> 3 (1807): 133-152.
Maria Rooseboom, <i> Die holländischen Optiker Jan und Harmanus van Deijl und ihre Mikroskope</i> (Leiden: Brill, 1940).
J. van Zuylen, "Jan and Harmanus van Deijl. An optical workshop in the 18th century,"  <i>Tijdschrift voor de Geschiedenis der Geneeskunde, Natuurwetenschappen, Wiskunde en Techniek</i> 10 (1987): 208-228.  (in Dutch)

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