BRITISH CROWN COPYRIGHT, THE MET OFFICE / SCIENCE PHOTO LIBRARY BRITISH CROWN COPYRIGHT, THE MET OFFICE / SCIENCE PHOTO LIBRARY
Radiosonde calibration and testing. Met Office employees calibrating and testing radiosonde pressure measuring and recording equipment. Radiosondes are units designed to measure and transmit meteorological data when deployed on a weather balloon. Here, the pressure head is being lowered into a testing bath by an electrical hoist. The Met Office is the UK's national weather monitoring and forecasting service. This work is being done by the Instrument Calibration Section, in the Radiosonde Calibration Room. Photographed in 1962, in Bracknell, UK, where new headquarters for the Met Office were constructed between 1959 and 1962.
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