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A nickel-zinc battery is a type of rechargeable battery that may be used in cordless power tools, cordless telephone, digital cameras, battery operated lawn and garden tools, professional photography, flashlights, electric bike, and light electric vehicle sectors. In 1900, Thomas Alva Edison filed U.S. Patent #684,204 for the nickel-zinc ...
1875: Fyodor Pirotsky invents the first electric tram near Saint Petersburg, Russia. 1876: Nicolaus August Otto invents the four-stroke cycle. 1876: Alexander Graham Bell has a patent granted for the telephone. However, other inventors before Bell had worked on the development of the telephone and the invention had several pioneers. [431]
Budding's mower was designed primarily to cut the lawn on sports grounds and extensive gardens, as a superior alternative to the scythe, and was granted a British patent on 31 August 1830. [3] It took ten more years and further innovations to create a machine that could be worked by animals, and sixty years before a steam-powered lawn mower was ...
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 ...
As a result, the United States has been the birthplace of 161 of Encyclopædia Britannica ' s 321 Greatest Inventions, including items such as the airplane, internet, microchip, laser, cellphone, refrigerator, email, microwave, personal computer, liquid-crystal display and light-emitting diode technology, air conditioning, assembly line ...
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
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1898–1900: Zeppelin LZ 1 airship first produced. 1898–1900: The Boxer Rebellion in China; 1898–1902: The Thousand Days' War in Colombia breaks out between the "Liberales" and "Conservadores", culminating with the loss of Panama in 1903. May 1: Commodore George Dewey sinks Spanish fleet near Manila. United States annexes the Republic of Hawaii