First made in 1887, they went bifocal in 1958
... Funds to build the new Institute and Franklin Memorial 
came from the Poor Richard Club, the City Board of Trust, the Benjamin Franklin
... [DOC] [TLE] A Guide to Inventions and Discoveries: From Adrenaline to the Zipper [PAR] Astronomical calculator: The Antikythera device, Greece, first century B.C.. ... U.S.
, 1948; (cosmic microwave background radiation discovered, confirms theory) .... 
Switzerland, 1887; (first practical device for recording activity of heart) Willem .... 
for producing high-density polyethylene) Robert Banks, Paul Hogan, U.S., 1958.