Equipment for obtaining high upper air mass information. Sounding balloon, with parachute and meteograph (in whisker basket) attached, ready for releasing. The balloon rises until it bursts and the instruments fall is retarded by means of a small parachute. an attached card requests the finder to pack and return the instrument by express (collect) for which a payment of from one to five dollars is usually made. Instrument measures temperature, pressure and humidity.
Equipment for obtaining high upper air mass information. Sounding balloon, with parachute and meteograph (in whisker basket) attached, ready for releasing. The balloon rises until it bursts and the instruments fall is retarded by means of a small parachute. an attached card requests the finder to pack and return the instrument by express (collect) for which a payment of from one to five dollars is usually made. Instrument measures temperature, pressure and humidity.
Equipment for obtaining high upper air mass information. Sounding balloon, with parachute and meteograph (in whisker basket) attached, ready for releasing. The balloon rises until it bursts and the instruments fall is retarded by means of a small parachute. an attached card requests the finder to pack and return the instrument by express (collect) for which a payment of from one to five dollars is usually made. Instrument measures temperature, pressure and humidity.
Description:
[Information from item housing] Weather: Misc: Balloons