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The timeline of historic inventions is a chronological list of particularly significant technological inventions and their inventors, where known. [ a ] The dates in this article make frequent use of the units mya and kya , which refer to millions and thousands of years ago, respectively.
His invention of the triode is almost simultaneously created by the American Lee de Forest. Max Dieckmann and Gustav Glage use the Braun tube for playback of 20-line black-and-white images. The first jukebox with records comes on the market.
Famous first facts: a record of first happenings, discoveries, and inventions in American history is a book listing "First Happenings, Discoveries and Inventions in the United States". The book's seventh edition ( ISBN 978-1-61925-468-8 ), published in March 2015 — includes more than 8,000 entries on 1,400 pages.
The following articles cover the timeline of United States inventions: Timeline of United States inventions (before 1890), before the turn of the century; Timeline of United States inventions (1890–1945), before World War II; Timeline of United States inventions (1946–1991), during the Cold War
And the Instagram page ‘Unbelievable Facts’ is one of the best places to do just that. Every day, they share fascinating trivia, building a collection that now includes over 10,000 unique facts.
List of Indian inventions and discoveries; List of Indonesian inventions and discoveries; List of inventions and discoveries of the Indus Valley Civilisation; List of inventions named after people; List of inventors killed by their own invention; Timeline of Irish inventions and discoveries; List of inventions in the medieval Islamic world
According to First Facts, it states that the "gas mask resembling the modern type was patented by Lewis Phectic Haslett of Louisville, Kentucky who received a patent on June 12, 1849". [101] U.S. patent #6,529 issued to Haslett, described the first "Inhaler or Lung Protector" that filtered dust from the air. [25] [102] 1847 Doughnut (ring-shaped)
A timeline of United States inventions (1890–1945) encompasses the innovative advancements of the United States within a historical context, dating from the Progressive Era to the end of World War II, which have been achieved by inventors who are either native-born or naturalized citizens of the United States.
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