Leeuwenhoek's Observation of Bacteria

Author: 
Casida, L. E.
Journal: 
Science.
Volume: 
New Series, Vol. 192, No. 4246 (Jun. 25, 1976), pp. 1348-1349
Publisher: 
American Association for the Advancement of Science
Year: 
1976

Abstract

A form of dark-field illumination was produced that allows bacteria in aqueous suspension to be observed with both a Leeuwenhoek microscope and a compound microscope without a condenser. Possibly, this illumination was Leeuwen­hoek's "particular method of ohserving'' bacteria.