Purpose of the flight and payload description

The payload was composed of a stack of 24 emulsion plates of dimensions 3 x 10 inches

Details of the balloon flight

Balloon launched on: 5/29/1949
Launch site: Harrisburg, Pennsylvania, US  
Balloon launched by: General Mills Inc. (?)
Balloon manufacturer/size/composition: Zero Pressure Balloon  
Flight identification number:  
End of flight (L for landing time, W for last contact, otherwise termination time): 5/29/1949
Balloon flight duration (F: time at float only, otherwise total flight time in d:days / h:hours or m:minutes - ): 3 h

External references

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