Pilot balloon observations, 1933

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This logbook contains "Pilot balloon ascension report" sheets from the Johnson-Smithsonian Deep-Sea Expedition to the West Indies taken at the station "Yacht Caroline" from 25 January to 12 March 1933. These sheets include the following data fields: station, date, starting time, ascension number, minutes, elevation horizontal angle, distance from observation point, altitude, wind direction and velocity, theodolite number, observer and record names, clouds, temperature, pressure, humidity, visibility, balloon type and weight, and notes. Latitude and longitudinal information is also included. A five page report by T. Townsend Brown, 15 April 1933, is also included.

Date Range


Start Date

Jan 25, 1933

End Date

Apr 15, 1933

Access Information

Many of SIA's holdings are located off-site, and advance notice is recommended to consult a collection. Please email the SIA Reference Team at osiaref@si.edu.



  • Mayaguana Island
  • Dominican Republic
  • Samaná, Bahía de
  • Bahamas


  • Fieldbook record
  • Field notes
  • Logbooks

Accession #

SIA RU007089

Collection name

Paul Bartsch Papers, 1901-1963

Physical Description

1 field book

Physical Location

Smithsonian Institution Archives


Box 3 Folder 5