Tag: M Waldo Hanchett

August 15

Zoya Siddiqui   Sun 15 Aug 2021    

M Waldo Hanchett patented a dental chair on this day in 1848. Did you know that:• The first freight delivery tunnel system began underneath Chicago on this day in 1906• India gained independence on this day in 1947• Ben Affleck […]

READ MORE ⟶