Air samples collected by James Lovelock from New Zealand and South Africa

Air samples collected by James Lovelock from New Zealand and South Africa Air samples collected by James Lovelock from New Zealand and South Africa Air samples collected by James Lovelock from New Zealand and South Africa Air samples collected by James Lovelock from New Zealand and South Africa Air samples collected by James Lovelock from New Zealand and South Africa Air samples collected by James Lovelock from New Zealand and South Africa Air samples collected by James Lovelock from New Zealand and South Africa Air samples collected by James Lovelock from New Zealand and South Africa Air samples collected by James Lovelock from New Zealand and South Africa Air samples collected by James Lovelock from New Zealand and South Africa Air samples collected by James Lovelock from New Zealand and South Africa

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Science Museum Group Collection
© The Board of Trustees of the Science Museum

Science Museum Group Collection
© The Board of Trustees of the Science Museum

Science Museum Group Collection
© The Board of Trustees of the Science Museum

Science Museum Group Collection
© The Board of Trustees of the Science Museum

Science Museum Group Collection
© The Board of Trustees of the Science Museum

Science Museum Group Collection
© The Board of Trustees of the Science Museum

Science Museum Group Collection
© The Board of Trustees of the Science Museum

Science Museum Group Collection
© The Board of Trustees of the Science Museum

Science Museum Group Collection
© The Board of Trustees of the Science Museum

Science Museum Group Collection
© The Board of Trustees of the Science Museum

Science Museum Group Collection
© The Board of Trustees of the Science Museum

Air samples in ten sealed glass tubes, collected by James Lovelock whilst studying chlorofluorocarbons (CFCs) in New Zealand and South Africa, c. 1985.

These glass tubes are a time capsule of our atmosphere. They were left over from a research trip scientist and inventor James Lovelock undertook to measure levels of a chlorofluorocarbon (CFC) gas that had been widely used in fire extinguishers. Armed with glass tubes and a flask of liquid nitrogen, he used a technique called cryogenic pumping to concentrate the air 100 times before sealing each tube with a blow torch.

Details

Category:
Experimental Chemistry
Object Number:
2012-124
Materials:
glass
type:
sample
credit:
Lovelock, James Ephraim