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Title: Vaisala RS21 radiosonde, 1971 [Go to resource]
Description: Vaisala RS21 radiosonde, serial no 624957-8, for 400 MH3 Meteorological frequency band, by Vaisala Oy, Helsinki, Finland, 1971 License: http://creativecommons.org/licenses/by-nc-sa/2.5/ Subjects: radiosonde Temporal: 1971 Source: Science Museum Creator: Vaisala Oy Identifier: 1995-1937 Go to resource More Like this...
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