EMULSION PLATES

The payload was composed of a stack of 58 specially prepared Eastman NTB plates of dimensions 3 x 20 inches

Balloon launched on: 10/27/1948
Launch site: Camp Ripley, Little Falls, Minnesota, 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): 10/27/1948
Balloon flight duration (F: time at float only, otherwise total flight time in d:days / h:hours or m:minutes - ): 5 h

• The Flux of Heavy Nuclei of the Primary Cosmic Radiation at Geomagnetic Latitudes ?=55° and ?=30° Physical Review, vol. 76, Issue 1, pp. 156
• The Heavy Nuclei of the Primary Cosmic Radiation Physical Review, vol. 77, Issue 1, pp. 54