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Robert Barker (physician)
Robert Barker (died 1745) was a British physician and inventor. He was a Fellow of the Royal Society from 1732. Barker invented both a reflecting microscope, exhibited in 1736, and "Barker's mill", a prototype reaction turbine (1743). According to James Dodson, he was a friend of Charles Labelye. He died in London, on 9 September 1745. Barker's Mill Barker's Mill, a rotating device powered by water and Newton's Third Law, is sometimes described as a 17th century invention. It is attributed to Dr Robert Barker F.R.S., in 1743. It was published by John Theophilus Desaguliers in his book ''Experimental Philosophy'' of 1744. Desaguliers, who himself demonstrated the mill to the Royal Society, attributed the principle involved to Antoine Parent. French terms for the mill are ''tourniquet hydraulique'', ''moulin de Parent'' or ''roue à réaction''. A complex timeline of development ensued. *As the Segner wheel, practical application of the idea is often credited to Johann Andreas ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Robert Barker MET DP-1424-047
The name Robert is an ancient Germanic given name, from Proto-Germanic "fame" and "bright" (''Hrōþiberhtaz''). Compare Old Dutch ''Robrecht'' and Old High German ''Hrodebert'' (a compound of '' Hruod'' ( non, Hróðr) "fame, glory, honour, praise, renown" and ''berht'' "bright, light, shining"). It is the second most frequently used given name of ancient Germanic origin. It is also in use as a surname. Another commonly used form of the name is Rupert. After becoming widely used in Continental Europe it entered England in its Old French form ''Robert'', where an Old English cognate form (''Hrēodbēorht'', ''Hrodberht'', ''Hrēodbēorð'', ''Hrœdbœrð'', ''Hrœdberð'', ''Hrōðberχtŕ'') had existed before the Norman Conquest. The feminine version is Roberta. The Italian, Portuguese, and Spanish form is Roberto. Robert is also a common name in many Germanic languages, including English, German, Dutch, Norwegian, Swedish, Scots, Danish, and Icelandic. It can be u ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
