Photogravure after a painting by Beltz, c 1860. Christian Friedrich Schonbein was a German chemist. He taught at the University of Basel, Germany,...
Etching by W Hole from �Quasi Cursores�. Peter Guthrie Tait conducted experiments to determine the density of ozone and the effects of passing...
Plate taken from 'Philosophical Magazine' . Dr Thomas Andrews developed a device for taking in a sample of air of a fixed size for chemical testing,...
Watercolour depicting the ozonometer installed at the top of a building. The air to be tested is drawn in from the roof by adjusting the water levels...
The glass tap, brass supports for the test papers and a canister of test papers from John Smyth�s ozonometer. To test ozone levels in the atmosphere,...
This instrument was designed by Gordon Dobson of Oxford University to measure the amount of ozone in the stratosphere. He set it up on the ground,...
To test ozone levels in the atmosphere, a test paper is held across an air stream drawn into the ozonometer for a fixed length of time or for a fixed...
To test ozone levels in the atmosphere, a test paper is held across an air stream drawn into the ozonometer for a fixed length of time or for a fixed...
James Lovelock , a British chemist and pioneer in the field of environmental science, developed this highly sensitive detector for measuring air...空氣污染
Aramid racing driver�s glove worn by the Australian racing driver Alan Jones . Ozone-resistant glove which will stay flexible for longer than those...
Christian Friedrich Schonbein was a German chemist. He taught at the University of Basel, Germany, first as the chair of chemistry and physics, and...
In 1960 A W Brewer developed his mast ozonesonde for measuring the ozone in the stratosphere. The device was heavier than the lightweight instruments...
In 1960 A W Brewer developed his mast ozonesonde for measuring the ozone in the stratosphere. The device was heavier than the lightweight instruments...
In 1960 A W Brewer developed his mast ozonesonde for measuring the ozone in the stratosphere. The device was heavier than the lightweight instruments...
Climate change protester climbs a steel frame at the entrance to a 'Climate Camp' set up on Blackheath on August 26, 2009 in London, England....
Climate change protester climbs a steel frame at the entrance to a 'Climate Camp' set up on Blackheath on August 26, 2009 in London, England....
Climate change protesters climb a steel frame at the entrance to a 'Climate Camp' set up on Blackheath on August 26, 2009 in London, England....
An der Stadtautobahn Köln steht eine Anzeigetafel, die die Autofahrer auf einen erhöhten Ozonwert und ein Tempolimit von 80 km/h hinweist....
