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Search results: 6 matches found for Lens
  1. Obstetrical Forceps — 2019-09-01 13:59:25
    …dical]] The forceps to aid birth were invented by Peter the elder Chamberlen (c.1560–1631) around 1600. The Chamberlens had migrated to England in 1569 to escape the religious violence in France. From his roots as a barber-surgeon workin…
  2. Reflecting Telescope — 2019-02-19 15:29:12
    …es Gregory but had not manufactured a working version. Early telescopes, like those used by Galileo, consisted of glass lenses mounted in a tube. When the light from a star passed through a lens, the different colours were refracted. This mean…
    …inalReflector.jpg" class="left" title="Newtons Original Reflector" width="400" }} Newton's solution was to replace the lenses with mirrors. == Modern Reflector == {{Image url="ModernReflectorTelescope.jpg" class="right" title="Modern Reflec…
  3. Intraocular Lens — 2018-07-10 08:26:02
    …ith this condition by crudely pushing aside the lens within the eye. And until Ridleys invention there was nothing better other than removing the lens and wearing heavy spe…
    …ctacles. Attempts made in the 19th century to replace the lens within the eye with a glass lens failed disastrously. As glass, which is very inert, caused reactions it was decided that such an operation was impossib…
    …le, and that an artificial lens would be rejected by the body's immune system. {{Image url="HaroldRidleyPlaque.jpg" class="right" title="Harold Ridley …
    …tive tissues of the eye. == After the War == Ridley began to work with John Pike, an optical scientist from Rayner, a lens company, in Hove, [[Sussex]]. He learned from Pike that **ICI** could produce a lens suitable for his purposes, and fo…
  4. Float Glass — 2017-07-04 20:28:05
    … {{toc}} Between 1953 and 1957, Sir Alastair Pilkington and Kenneth Bickerstaff of the UK's Pilkington Brothers in St.Helens [[Lancashire]], [[England]] developed the world's first commercially successful manufacture of high quality flat glass.…
  5. Television — 2017-05-29 13:40:11
    …]] {{Databox width="250" Image="John_logie_baird.jpg" Who="John Logie Baird" Birth_date="13 Aug 1888" Birth_place="Helensburgh" Death_date="14 Jun 1946" Death_place="Bexhill-on-Sea" }} Baird was a Scottish engineer, most famous for being t…
    …he first person to demonstrate a working television. John Logie Baird was born on 14 August 1888 in Helensburgh on the west coast of [[Scotland]], the son of a clergyman. Dogged by ill health for most of his life, he nonethele…
  6. Procter Gamble — 2016-07-28 14:08:46
    …to “dip candles”. Procter entered into business in the clothing industry in 1818 in [[London]]. Around 1832 his woolens shop was destroyed by fire and burglary leaving Procter £5,000 in debt – a huge sum in 1832. prompting him to leave…

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