Browsing by Subject "Inventions"
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Alexander Graham Bell’s optical disc and other inventions
(1996)The latter part of the 19th century is known to historians as the Gilded Age of Invention. The flurry of inventions created by Alexander Graham Bell is characteristic of the period. when a handful of seemingly heroic ... -
July 18-9, 1783
(2009-07-28)Three letters to James Dinwiddie from James Gandon dated July 18-19, 1783.