Balloon Flights of Glaisher and Coxwell
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Balloon Flights of Glaisher and Coxwell
James Glaisher (1809-1903), an English meteorologist and aeronaut, on the left, with Henry Tracey Coxwell (1819-1900), a professional balloonist, on the right, . They were commissioned by the British Association to undertake a programme of experimental work in the upper atmosphere. With some success they investigated meteorological phenomena such as the effect of altitude on air temperature, pressure, humidity, solar radiation, winds, precipitation, clouds and visibility. Also, they examined magnetic vibrations, the presence of ozone and the Fraunhofer lines in the solar spectrum. Between 1862 and 1866 they made 17 ascents. Being unaware of the dangers of high-altitude flight with its extremely low temperatures and barometric pressures they suffered from frostbite and hypoxia (lack of oxygen). Once Glaisher became unconscious at 8.800metres (29000 ft)
Science Photo Library features Science and Medical images including photos and illustrations
Media ID 9342321
© SHEILA TERRY/SCIENCE PHOTO LIBRARY
Aeronaut Altitude Atmosphere Balloonist Barometer Humidity Magnetic Magnetism Meteorology Ozone Precipitation Pressure Solar Spectrum Temperature Wind Barometric Coxwell Fraunhofer Glaisher Hypoxia
EDITORS COMMENTS
This print captures the pioneering spirit of James Glaisher and Henry Tracey Coxwell, two remarkable individuals who fearlessly ventured into the unknown realms of the upper atmosphere. Commissioned by the British Association, these intrepid explorers embarked on a groundbreaking program of experimental work that revolutionized our understanding of meteorological phenomena. With unwavering determination and scientific curiosity, Glaisher and Coxwell delved into uncharted territories, investigating how altitude impacted air temperature, pressure, humidity, solar radiation, winds, precipitation, clouds, and visibility. Their relentless pursuit also led them to examine magnetic vibrations, ozone presence, and Fraunhofer lines in the solar spectrum. Between 1862 and 1866 alone they made an astonishing 17 ascents into the heavens above. However admirable their quest may have been for knowledge advancement in meteorology's history; it was not without perilous consequences. Unaware of the dangers that awaited them at such high altitudes – extreme cold temperatures and barometric pressures – both men suffered from frostbite and hypoxia due to lack of oxygen. One particularly harrowing incident occurred when Glaisher lost consciousness at a staggering height of 8.800 meters (29.000 ft). This awe-inspiring image serves as a testament to their indomitable spirit as they pushed boundaries in pursuit of scientific enlightenment. The legacy left behind by Glaisher and Coxwell continues to inspire future generations in their exploration of Earth's atmosphere while reminding us all about the importance of pushing beyond our limits for greater understanding.
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