Search results
Results from the WOW.Com Content Network
approx. date – The clarinet might have been invented by the German flute maker Joseph Mamadski as a modification of the chalumeau, but it will not be until the late 18th century that composers include clarinets into their orchestrations.
Sarah Trimmer wrote a successful natural history textbook for children entitled The Easy Introduction to the Knowledge of Nature (1782), which was published for many years after in eleven editions. [66] The influence of science also began appearing more commonly in poetry and literature during the Enlightenment.
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 ...
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 ...
The 1770s (pronounced "seventeen-seventies") was a decade of the Gregorian calendar that began on January 1, 1770, and ended on December 31, 1779. A period full of discoveries, breakthroughs happened in all walks of life, as what emerged at this period brought life to most innovations we know today.
French mathematician and political scientist Jean-Charles de Borda formulates the ranked preferential electoral system which becomes known as the Borda count.; Lagrange discusses representations of integers by general algebraic forms; produces a tract on elimination theory; publishes his first paper on the general process for solving an algebraic equation of any degree via Lagrange resolvents ...
Engineers during World War Two test a model of a Halifax bomber in a wind tunnel, an invention that dates back to 1871.. The following is a list and timeline of innovations as well as inventions and discoveries that involved British people or the United Kingdom including the predecessor states before the Treaty of Union in 1707, the Kingdom of England and the Kingdom of Scotland.
The second electric machine is invented by British engineer Francis Hauksbee the elder (1660–1713): it is a sphere of glass rotated by a wheel.; For watch movements, Peter Debaufre invents the Debaufre escapement, the first frictional rest watch escapement produced: the escapement consists of two saw-tooth escape wheels of the same count.