Spinoza: Two Grinding Lathes roughly from the Period
July 6, 2008
A simple, hand-turned lathe (1614):
Taken from the Middleburg 400 year anniversary page
Johannes Hevelius
foot-powered Lathe (Selenographia, sive Lunae descriptio, 1647)

taken from the Galleo Telescope page from the I & M of the History of Science
Perhaps Spinoza’s grinding lathe had a construction something along this principle.


Leave a Reply