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AR924087
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Experiment to calculate the speed of sound in air, Paris, 1822, (c1880). Artist: Robert Brown
Experiment to calculate the speed of sound in air, Paris, 1822, (c1880). In 1822 the French appointed a commission to find the speed of sound in air. Two hills near Paris were chosen for the experiment, at Villejuif and Montlhery. On each hill a gun was discharged. Observers on the other hill, by noting the time of the flash and the time at which they heard the report, calculated the speed to be 1,118.152 feet (340.8m) per second. Gay-Lussac, Humboldt and Bouvard were at Montlhery. Arago, Mathieu and Prony were at Villejuif. From Science for All by Robert Brown. (London, c1880).
Unique Identifier
AR924090
Type
Image
Purpose
Public
Size
4990px × 3498px
Photo Credit
HIP / Art Resource, NY
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Tags
19th century
AIR
ASCENT
B&W
B/W
ballooning
balloonist
Black & White
Black and white
BROWN
Chemist
concept
country
Danger
DANGEROUS
ELEMENT
experiment
France
French
GAY-LUSSAC
geographical feature
Geography
HEIGHT
HIGH
Hill
JOB
Joseph Louis
Joseph Louis Gay-Lussac
LOCATION
Male
Man
Men
Monochrome
NINETEENTH CENTURY
OCCUPATION
Oxford Science Archive
People
PHYSICIST
Pioneer
Print Collector1
PROFESSION
robert
Robert Brown
Science
Scientist
Sky
SOUND
Speed
speed of sound