Vema cruise 20, February 1964-December 1964 : part 2, July 1964-December 1964

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This item is part 2 of a two part, unbound logbook for Vema 20. It contains information about Vema cruise 20 from July 4 to June 23, 1964. This item includes summary logs (including flowmeter logs), detailed logs, and bathythermograph observations. Summary of route: This half of the cruise begins at 33° 36'n, 139° 50'e, off coast of Japan. They sail north, then south and west sailing into the Maluku (Molucca) Sea, then into the Banda Sea. They continue east across the Indian Ocean and around the tip of Africa into the South Atlantic Ocean, the across the South Atlantic to off the east coast of South America. They then continue north into the North Atlantic Ocean, sailing north to their ending point at 39° 24'n, 72° 19'w, off the coast of New Jersey. The detailed logs are from February 16 to June 23, 1964 and include the following information: cruise number, station number, date, type, 1M net in, out, 1M meter reading, 1/2M net in, out, 1/2M meter reading, coordinates, median local time, 1M length tow, 1/2M length tow, wire angle at depth, corrected depth, corrected depth, 1M displ. vol., 1/2M displ. vol., corrected displ. vol., vol. H20 filt. 1M, vol. H20 filt. 1/2M, comments (whether or not the haul was successful), net clogged, net tears, No. bottles used, surface temp. (occasionally), and observer. The back (verso) of the detailed log sheets records BT slide no., depth, temperature, salinity in a table. Some detailed logs sheets include time-depth recorders (made by Benthos, Inc), which are approximately 3 inches in diameter. Each of these has a date, time, coordinates, ship name, recorder number, (and a place to record calibration).

Date Range


Start Date

Jul 04, 1964

End Date

Dec 09, 1964

Access Information

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  • Marine Biology
  • Plankton
  • Invertebrates
  • Marine biologists
  • Marine biology


  • South Atlantic Ocean
  • Maluku, Laut
  • Indian Ocean
  • Atlantic Ocean
  • Philippine Sea
  • Banda, Laut
  • Molucca Sea
  • North Atlantic Ocean
  • North Pacific Ocean


  • Fieldbook record
  • Field notes
  • Logbooks

Accession #

SIA Acc. 09-008

Collection name

Allan W. H. Bé papers, circa 1953-1969

Physical Description

1 logbook

Physical Location

Smithsonian Institution Archives


Box 3 Folder 5