Robert Hooke read copy of letter to Huygens of 1679-05-20 about the number and size of little animals in ginger water

Date: 
February 1, 1680

This copy of the letter to Constantijn Huygens was enclosed in Leeuwenhoek's cover letter of 1680-01-16 to Hooke.

Document: 

Birch, History, vol. IV, p. 5, 22 January 1680 (O.S.)

Mr. HOOKE read a letter, which he had received from Mr. LEEUWENHOECK, giving account of some further discoveries of an exceeding small sort of worms found in ginger-water; as also the reasons, why he conceived that the parts of water cannot be made visible by a microscope

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