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  2. Timeline of historic inventions - Wikipedia

    en.wikipedia.org/.../Timeline_of_historic_inventions

    The timeline of historic inventions is a chronological list of particularly important or significant technological inventions and their inventors, ... 1900: The first ...

  3. Timeline of United States inventions (1890–1945) - Wikipedia

    en.wikipedia.org/wiki/Timeline_of_United_States...

    1900 Fly swatter. A fly swatter is a hand-held device for swatting and killing flies and other insects. The first modern fly-destruction device was invented in 1900 by Robert R. Montgomery, an entrepreneur based in Decatur, Illinois. [75] On January 9, 1900, Montgomery was issued U.S. patent #640,790 for the "Fly-Killer". [76] 1900 Thumbtack

  4. Timeline of United States inventions - Wikipedia

    en.wikipedia.org/wiki/Timeline_of_United_States...

    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; Timeline of United States inventions (after ...

  5. 1900 in science - Wikipedia

    en.wikipedia.org/wiki/1900_in_science

    List of science timelines; The year 1900 in science and technology involved some significant events, listed below. Aeronautics. July 2 ...

  6. Timeline of electrical and electronic engineering - Wikipedia

    en.wikipedia.org/wiki/Timeline_of_electrical_and...

    Brief History of Electronics Timeline ; Date Invention/Discovery Inventor(s) 1900: Old quantum theory: Planck 1905: Theory of relativity: Einstein 1918: Atomic transmutation: Rutherford 1932: Neutron: Chadwick 1932: Particle accelerator: Cockcroft and Walton 1935: Scanning electron microscope: Knoll 1937: Xerography: Carlson 1937: Oscilloscope ...

  7. Timeline of the history of the United States (1900–1929)

    en.wikipedia.org/wiki/Timeline_of_the_history_of...

    This section of the timeline of United States history concern events from 1900 to 1929. U.S. territorial extent in 1900.

  8. Timeline of United States inventions (before 1890) - Wikipedia

    en.wikipedia.org/wiki/Timeline_of_United_States...

    Many years later, Evans' invention would be sold off for parts. On July 16, 2005, Philadelphia celebrated the 200th anniversary of Oliver Evans's Orukter Amphibolos. Many historians describe Oliver Evans' invention as the United States' first land and water transporter. [46] 1805 Vapor-compression refrigeration. Schematic of Gorrie's 1841 ice ...

  9. Timeline of scientific discoveries - Wikipedia

    en.wikipedia.org/wiki/Timeline_of_scientific...

    The timeline begins at the Bronze Age, as it is difficult to give even estimates for the timing of events prior to this, such as of the discovery of counting, natural numbers and arithmetic. To avoid overlap with timeline of historic inventions , the timeline does not list examples of documentation for manufactured substances and devices unless ...

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