Hans Jansen and his son Sacharias, c1870. Some historians credit Sacharias Jansen, a Middelburg spectacle maker, with the invention of the telescope and the microscope (the latter with the help of his father) around the turn of the 17th century. A print from Nederlands Geschiedenis en Volksleven in Schetsen, by J Van Lenner and J Ter Gouw. (Leiden, AW Sijthoff, c1870). (Photo by The Print Collector/Print Collector/Getty Images)
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January 27th, 2021
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