The Ophthalmodiaphanoscope




One hundred years ago today, if you were
to walk to the local newsstand and put down
10 cents of your hard earned pay, you'd be
able to purchase the June 1909 edition of
Popular Mechanics magazine.


Inside you'd find this story about a diagnostic
device known as the Ophthalmodiaphanoscope.











For more wonders of that new millennium,
go here.