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On September 16, 1930, Lehberger was issued U.S. patent #1,775,861. [232] 1930 Car audio. Car audio/video (car AV) is a sound or video system fitted in an automobile. In 1930, the Galvin Corporation introduced the first commercial car radio, the Motorola model 5T71, which sold for between $110 and $130 and could be installed in most popular ...
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 ...
Hub van Doorne (1900–1979), Netherlands – Variomatic continuously variable transmission; John Thompson Dorrance (1873–1930), U.S. – Condensed soup; Amanda Minnie Douglas (1831–1916) – writer and inventor (portable folding mosquito net frame) Charles Dow (1851–1902), U.S. – Dow Jones Industrial Average
English inventions and discoveries are objects, processes or techniques invented, innovated or discovered, partially or entirely, in England by a person from England. Often, things discovered for the first time are also called inventions and in many cases, there is no clear line between the two. Nonetheless, science and technology in England ...
German inventions and discoveries are ideas, objects, processes or techniques invented, innovated or discovered, partially or entirely, by Germans. Often, things discovered for the first time are also called inventions and in many cases, there is no clear line between the two. German-born Albert Einstein, world-famous physicist
1930 Summer days at the beach don't always call for T-shirts and sandals — these three children at the beach at the seaside town of Whitby in Yorkshire, England, had winter coats and berets.
It is an animated film made of 636 individual images hand painted in 1893.The film showed off Reynaud's invention, the Théâtre Optique. It was shown at the Musée Grévin from December 1894 until March 1900. [92] [93] 1895 – Release of the film The Execution of Mary Stuart, directed by Alfred Clark.
In the late 1800s and early 1900s, a new breed of women started to emerge from the depths of circus tents around the world: the strong-woman. These women quickly drew large crowds of circus lovers ...