Wrote Letter L-482 of 1711-11-23 to Anthonie Heinsius about claims by Fryer and Kircher supporting spontaneous generation, which Leeuwenhoek rejected; gold, copper, and silver dissolved in aqua fortis and the separation of gold and copper
Date:
November 23, 1711
The original manuscript on nine quarto pages, written and signed by Leeuwenhoek, is preserved in The Hague at the Nationaal Archief, Archief Anthonie Heinsius (nr. 3.01.19, inv. no. 1613).