2-325-592 - The Print Collector/Heritage Images

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).