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Peter Cooper Hewitt
(5 May 1861 - 25 Aug 1921)
American electrical engineer who invented the mercury-vapour lamp, an important forerunner of fluorescent lamps.
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Science Quotes by Peter Cooper Hewitt (1 quote)
When it is considered that this light, when obtained with mercury gas, has an efficiency at least eight times as great as that obtained by an ordinary incandescent lamp, it will be appreciated that it has its use in places where lack of red is not important, for the economy of operation will much more than compensate for the somewhat unnatural color given to illuminated objects.
— Peter Cooper Hewitt
'Electric Gas Lamps and Gas Electrical Resistance Phenomena', a paper read at the 150th AIEE meeting 3 Jan 1902. In Transactions of the American Institute of Electrical Engineers (1902), 61.
Quotes by others about Peter Cooper Hewitt (1)
When Lord Kelvin was in this country [U.S.], he said that nothing interested him so much as Mr. Hewitt's work and his vacuum lamp.
Referring to the mercury lamp invention.
Referring to the mercury lamp invention.
Quoting Kelvin in McClure's Magazine (Jun 1903). In Albert Shaw (Ed.), The American Monthly Review of Reviews (1903), 27, 724.
See also:
- 5 May - short biography, births, deaths and events on date of Hewitt's birth.
In science it often happens that scientists say, 'You know that's a really good argument; my position is mistaken,' and then they would actually change their minds and you never hear that old view from them again. They really do it. It doesn't happen as often as it should, because scientists are human and change is sometimes painful. But it happens every day. I cannot recall the last time something like that happened in politics or religion.
(1987) -- 
