Author: JAPIKSE, H.,
Title: Het aandeel van Zacharias Janse op de uitvinding der verrekijkers.
Description: Middelburg, J.C. & W. Altorffer, 1890, published by Zeeuws Genootschap der Wetenschappen, 19 pp. original paper binding, interesting treatise on the invention of telescopes by Zacharias Janssen also Zacharias Jansen/Janse or Sacharias Jansen; 1585 - pre-1632 who was a Dutch spectacle-maker who lived most of his life in Middelburg. He is associated with the invention of the first optical telescope and/or the first truly compound microscope, but these claims (made 20 years after his death) may be fabrications put forward by his son.

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