Drake Anthony Recreates the Mechanical Bulb First Seen in 1675 – TechEBlog
DIYengineeringmakerbarometric lightglass flaskmercuryvacuum pumpfriction
Author: rbanffy
Date: 7/16/2026
Article Summary:
A maker recreates the 1675 "barometric light" phenomenon by using a glass flask, mercury, and a vacuum pump to generate light through friction.