Spare battery in sealed pack

Spare battery in sealed pack, unsigned, for Vaisala RS21 radiosonde, serial no 624957-8, for 400 MH3 Meteorological frequency band, in two components, by Vaisala Oy, Helsinki, Etelä-Suomen Lääni, Finland, 1971

Details

Category:
Meteorology
Object Number:
1995-1937/3
Materials:
hydrochloric acid, metal (unknown) and aluminium alloy
type:
battery
credit:
Meteorological Office