MET. ACTIVITIES AT KEW OBSERVATORY - 15862 Picture issued 1945 shows - Information regarding wind speed and direction is obtained from the records of self-registering instruments, of which this pressure tube anemograph represents one class. Here the appropriate values are being read off the chart by an assistant Royal Air Force

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Size: 2575px × 1941px
Photo credit: © piemags/ww2archive / Alamy / Afripics
License: Licensed
Model Released: No

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