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...of the most important naval gunners in U.S. history. He was a 19th-century American scientist who helped build the framework of U.S. naval gunnery education. H ...ton Navy Yard as a seaman. At the time Thomas Jefferson was president and American hero Sicilian [[Salvadore Catalano]] was one of two gunners at the Navy Yar ...

...British and continental European beer brewers generally use degrees Plato. American brewers use a mixture of degrees Balling, degrees Plato and specific gravit In mid-19th century England, the use of letter "X" and other ones had evolved into a standardiz ...

In the 19th and 20th centuries, [[Russia]] produced many notable [[List of Russian scie At the start of the 18th century the [[Reforms of Peter I of Russia|reforms of Peter the Great]] (founder of ...

...th-century English—an overview |url=https://public.oed.com/blog/nineteenth-century-english-an-overview/ |access-date=7 November 2020 |website=Oxford English D ...st=Badash |first=Lawrence |date=1972 |title=The completeness of nineteenth-century science |url=https://www.journals.uchicago.edu/doi/pdfplus/10.1086/350840 | ...

...|Columba]] is a small, faint [[constellation]] named in the late sixteenth century. Its name is [[Latin]] for [[dove]]. It is located just south of [[Canis Ma ...aint constellation in the [[southern sky]], first defined in the late 16th century. Its name means "no feet" in Greek, and it represents a [[bird-of-paradise] ...

...actions. The system became the standard of France and Europe within half a century. Other measures with unity ratios<ref group="Note">ratios of 1 between mag ...ts for length, mass and time. Advances in [[electromagnetism]] in the 19th century necessitated additional units to be defined, and multiple incompatible syst ...

[[Nuclear fission]] was discovered in December 1938 by chemists [[Otto Hahn]] and [[Fritz Strassmann]] and physicists [[Lise Meitner]] and In the last years of the 19th century, scientists frequently experimented with the [[cathode-ray tube]], which by ...

...ermodynamic work, the caloric theory was, around the end of the eighteenth century, replaced by the "mechanical" theory of heat, which is accepted today. === 17th century–early 18th century === ...

:A pioneering female American [[Physician|doctor]], [[medical researcher]] and an outspoken voice in the ...ysics)|period]] of [[Cepheid]] [[variable stars]] at the beginning of 20th century. ...

...e Origin and Spread of Qanats in the Old World |journal=Proceedings of the American Philosophical Society |volume= 112 |issue= 3 |pages= 170–181 |date= 21 June ...or [[panemone windmill]] first appeared in [[Greater Iran]] during the 9th century.<ref>Glick, Thomas F., Steven Livesey, and Faith Wallis. Medieval science, ...

...ved to Boreham Road, Warminster, where houses were built in the early 19th century.{{R|"Warminster and Westbury Journal 11 July 1903"|"Wiltshire Times 9 Augus ...ance Phenomenon |journal=[[Review of Scientific Instruments]] |publisher=[[American Institute of Physics]] |volume=25 |number=6 |pages=587{{Ndash}}593 |locatio ...

...ifford | author2-link = American Society of Mechanical Engineers | last2 = American Society of Mechanical Engineers | title = ASME engineer's data book | page ..., who made extensive use of this special case of Taylor series in the 18th century.}} ...