Description | File containing completed copies of Air Ministry, Meteorological Office, Radio Sonde Calibration Charts (Form 2814A). Raw data from Halley Bay.
Box 'August 1st - 31st 1957 Halley Bay 2814A', File, 'August 1st - 7th 1957 1135 Z 151 & 152 (Split Argent) 1' |