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George Mortimer Pullman (March 3, 1831 – October 19, 1897) was an American engineer and industrialist. He designed and manufactured the Pullman sleeping car and ...
The Lower Paleolithic period lasted over 3 million years, during which there many human-like species evolved including toward the end of this period, Homo sapiens.The original divergence between humans and chimpanzees occurred 13 (), however interbreeding continued until as recently as 4 Ma, with the first species clearly belonging to the human (and not chimpanzee) lineage being ...
George Pullman (1831–1897), U.S ... Raymond Scott (1908–1994), U.S. – inventor and developer of electronic music technology; ... Timeline of historic inventions;
The sleeping car did not become commercially practical until 1857 when George Pullman invented the Pullman sleeping car. [82] 1839 Vulcanized rubber. Vulcanization refers to a specific curing process of rubber involving heat and the addition of sulfur or other equivalent curatives. It is a chemical process in which polymer molecules are linked ...
From the first Apple computer to the COVID-19 vaccine, here are the most revolutionary inventions that were born in the U.S.A. in the past half-century.
Premodern / Pre-industrial Prehistoric; Stone Age (); Neolithic Revolution; Copper Age; Bronze Age; Iron Age; Ancient; Modern. Proto-industrialization; First ...
Workers leave the Pullman Palace Car Works in 1893. The Pullman Company, [1] founded by George Pullman, was a manufacturer of railroad cars in the mid-to-late 19th century through the first half of the 20th century, during the boom of railroads in the 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 ...