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The Fahrenheit scale was the primary temperature standard for climatic, industrial and medical purposes in Anglophone countries until the 1960s. In the late 1960s and 1970s, the Celsius scale replaced Fahrenheit in almost all of those countries—with the notable exception of the United States.
[1]: 19 The development of today's thermometers and temperature scales began in the early 18th century, when Daniel Gabriel Fahrenheit produced a mercury thermometer and scale, both developed by Ole Christensen Rømer. Fahrenheit's scale is still in use, alongside the Celsius and Kelvin scales.
Pages in category "1960s photographs" The following 10 pages are in this category, out of 10 total. This list may not reflect recent changes. A.
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300 years ago scientist Daniel Fahrenheit invented a temperature measurement — donning his last name. Once Fahrenheit came up with the blueprint for the modern thermometer, using mercury — he ...
1709 — Daniel Gabriel Fahrenheit constructed alcohol thermometers which were reproducible (i.e. two would give the same temperature) 1714 — Daniel Gabriel Fahrenheit invents the mercury-in-glass thermometer giving much greater precision (4 x that of Rømer). Using Rømer's zero point and an upper point of blood temperature, he adjusted the ...
These photos from the Star-Telegram show long-gone rides, historic moments and fun memories from the 1960s into into 2010s. ... In a matter of seconds the ride that more than 17 million people ...
1960 Julius Shulman: Los Angeles, California, United States Large format [s 3] [s 4] Nixon Vs Kennedy TV Debate: 26 September 1960 Paul Schutzer: Chicago, Illinois, United States 35 mm [s 2] American Spy Pilot Francis Gary Powers: 16 November 1960 Carl Mydans: Moscow, Russia [s 2] Flavio da Silva: 1961 Gordon Parks: Rio de Janeiro, Brazil [s 2 ...