33
/
AIzaSyAYiBZKx7MnpbEhh9jyipgxe19OcubqV5w
August 1, 2025
5181615
486474
2

jan 1, 1888 - August Morck Jr

Description:

Patents a bifocal cemented on the outside of the original lens

Added to timeline:

Date:

jan 1, 1888
Now
~ 137 years ago