Which number?

Master list (pdf) of all 602 L-numbers, their Leeuwenhoek number, and their Collected Letters number

Life in Holland

Author:

Uffenbach, Z. C. von

Volume:

vol. Ill, pp. 349-360.

Publisher:

Frankfurt-Leipzig: Ulm-Memmingen

Year:

1753

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Related events:

Date	Event
December 4, 1710	Visited by Zacharias Conrad von Uffenbach: "more of ingenuity than foundation"

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Loupes and multiple lenses