An account of meteorological observations in four balloon ascents : made under the direction of the Kew Observatory Committee of the British Association for the Advancement of Science / by John Welsh ; communicated by Colonel Sabine, by the request of the Council of the British Association for the Advancement of Science.

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An account of meteorological observations in four balloon ascents : made under the direction of the Kew Observatory Committee of the British Association for the Advancement of Science / by John Welsh ; communicated by Colonel Sabine, by the request of the Council of the British Association for the Advancement of Science. Public Domain Mark. Source: Wellcome Collection.

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This material has been provided by The Royal College of Surgeons of England. The original may be consulted at The Royal College of Surgeons of England.