bitter o salt • Link
Some Physiological Descriptions of Minute Bodies Made by Magnifying Glasses
with Observations and Inquiries Thereupon
Author: Robert Hooke
microscope and light enhanser.
xref: scotoscope: http://www.pepysdiary.com/encyclopedia/7790/
Michael Robinson • Link
Reproductions and descriptions of Dutch, Italian and British early microscopes:-
Chart showing the number of references in each month of the diary’s entries.