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John Hadley

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The following article is from The Great Soviet Encyclopedia (1979). It might be outdated or ideologically biased.

Hadley, John

 

Born Apr. 16, 1682, in Hartford, England; died Feb. 14, 1744, in East Barnet. English inventor and astronomer. Fellow (1717) and vice-president (1728) of the Royal Society of London.

Hadley is credited with the invention of the sextant (1730–31), which is widely used in navigation.

The Great Soviet Encyclopedia, 3rd Edition (1970-1979). © 2010 The Gale Group, Inc. All rights reserved.
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References in periodicals archive
The guests also included, the Atlantic Council delegation headed by Stephen John Hadley, former U.S.
Around 1758, Benjamin Franklin and John Hadley confirmed that evaporation of highly volatile liquids, such as alcohol and ether, could be used to drive down the temperature of an object past the freezing point of water.
He didn't dream bigger than that, he said.<br />Now, he and three close relatives his son, Michael Hadley;his brother, John Hadley; and John's son, David Hadley own 21 stores in western Arkansas and eastern Oklahoma.<br />In the more than 40 years that they've had the restaurants, they've learned how to operate stores of all sizes and been through the pains that come with a corporation changing its face.<br />Jim Hadley wasn't the first to start with the chain.
Something Selectman John Hadley said after Bruce's passing rings true: Most of the time, Bruce was the smartest guy in the room.
John Hadley, of Chesterton Field Farm, said: "It's been a bit trying recently, but we are well off here compared to the eastern counties.
The others were John Hadley, of the ARP Rescue Party; Arthur Harris, a pipe fitter; Alfred Goodwin, an electrician; Joseph Topham, a section leader; and Edwyn Hoof, another electrician.
KTRS (550 AM) sports gabber John Hadley is being criticized for taking a job with the Rams while continuing behind the mike at KTRS.
Together with five of their colleagues, officers Robert Hall, 37, John Hadley, 40, Richard Seve, 52, James Long, 37, and Alan Calvin, 58, all of Grosvenor Road station, they were also acquitted of doing acts intending to pervert the course of justice.
John Hadley, joint managing director along with his brother Stephen, said: "For the last five years, and probably two years longer than we should have done, we have struggled against cheap imports from China.
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