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  1. MidPac Scientific Program for August 4 and 5 1950

    • Collection: Scripps Institution of Oceanography Letters, Clippings, Ships' Logs
    • Name: Revelle, Roger, 1909-1991; Horizon (Ship); Midpac Expedition (1950); Revelle, Roger, 1909-1991; Faughn, James Lawrence, 1910-1985
    • Date: 1950-08-04
    • Topic: Oceanographic instruments; Bathythermograph; North Pacific Ocean; Oceanography; Hydrophone; Seismic profiling; Drill Core; Submarine geology; Marine biology
    • Format: image
  2. MidPac Scientific Program for August 11, 1950

    • Collection: Scripps Institution of Oceanography Letters, Clippings, Ships' Logs
    • Name: Revelle, Roger, 1909-1991; Horizon (Ship); Midpac Expedition (1950); Faughn, James Lawrence, 1910-1985; Revelle, Roger, 1909-1991
    • Date: 1950-08-11
    • Topic: Marine biology; Oceanography; North Pacific Ocean; Bathythermograph; Hydrophone; Oceanographic instruments
    • Format: image
  3. MidPac Scientific Program for 1 August 1950

    • Collection: Scripps Institution of Oceanography Letters, Clippings, Ships' Logs
    • Name: Revelle, Roger, 1909-1991; Horizon (Ship); Midpac Expedition (1950); Revelle, Roger, 1909-1991
    • Date: 1950-08-01
    • Topic: Marine biology; Heat flow; North Pacific Ocean; Bathythermograph; Oceanography; Oceanographic instruments; Submarine geology
    • Format: image
  4. MidPac Operations Plan 21/23 September 1950

    • Collection: Scripps Institution of Oceanography Letters, Clippings, Ships' Logs
    • Name: Revelle, Roger, 1909-1991; Midpac Expedition (1950); Horizon (Ship); Revelle, Roger, 1909-1991
    • Date: 1950-09-21
    • Topic: Drill cores; Submarine geology; Bikini Atoll; Marine biology; Oceanographic instruments; Oceanography; Hydrophone
    • Format: image
  5. MidPac Scientific Program for 30 July 1950

    • Collection: Scripps Institution of Oceanography Letters, Clippings, Ships' Logs
    • Name: Revelle, Roger, 1909-1991; Horizon (Ship); Midpac Expedition (1950); Revelle, Roger, 1909-1991
    • Date: 1950-07-30
    • Topic: Submarine geology; Sounding and soundings; Oceanographic instruments; Oceanography; North Pacific Ocean; Marine biology
    • Format: image
  6. MidPac Scientific Program for August 4, 5 and 6 1950

    • Collection: Scripps Institution of Oceanography Letters, Clippings, Ships' Logs
    • Name: Revelle, Roger, 1909-1991; Midpac Expedition (1950); Horizon (Ship); Revelle, Roger, 1909-1991; Faughn, James Lawrence, 1910-1985
    • Date: 1950-08-04
    • Topic: North Pacific Ocean; Submarine geology; Hydrophone; Oceanography; Bathythermograph; Drill Core; Oceanographic instruments; Marine biology
    • Format: image
  7. MidPac Scientific Operation Plan, August 21, 22, 23

    • Collection: Scripps Institution of Oceanography Letters, Clippings, Ships' Logs
    • Name: Revelle, Roger, 1909-1991; Midpac Expedition (1950); Horizon (Ship); Revelle, Roger, 1909-1991
    • Date: 1950-08-21
    • Topic: Oceanography; Oceanographic instruments; Hydrophone; North Pacific Ocean; Seismic profiling
    • Format: image
  8. MidPac Scientific Program for 29 July 1950

    • Collection: Scripps Institution of Oceanography Letters, Clippings, Ships' Logs
    • Name: Revelle, Roger, 1909-1991; Midpac Expedition (1950); Horizon (Ship); Revelle, Roger, 1909-1991
    • Date: 1950-07-29
    • Topic: Hydrophone; North Pacific Ocean; Submarine geology; Oceanography; Oceanographic instruments
    • Format: image
  9. Lowering the core barrel over the stern preparatory to taking a sample core of the bottom sediments

    • Collection: Scripps Institution of Oceanography Photographs
    • Name: Scripps Institution of Oceanography; Capricorn Expedition (1952-1953); Revelle, Roger, 1909-1991; Barr, Edward Sheldon, 1933-
    • Date: 1952
    • Topic: Oceanographic research ships; Marine geology; Oceanographic instruments
    • Format: image
  10. Milton Nunn Bramlette (kneeling) and Roger Revelle (man without shirt) inspecting a coring device during the Capricorn Expedition (1952-1953). This expedition was the first Scripps expedition to use scuba divers to explore the Pacific. Research ships Horizon and Spencer F. Baird mapped seamounts and guyots and other features of the Pacific seafloor. Scientists studied the 35,400 foot deep Tonga Trench, the second deepest place in the ocean, and measured heat flow on the East Pacific Rise. 1953.

    • Collection: Scripps Institution of Oceanography Photographs
    • Name: Jones, Alan Churchill, 1927-; Capricorn Expedition (1952-1953); Spencer F. Baird (Ship); Bramlette, Milton Nunn, 1896-1977; Revelle, Roger, 1909-1991
    • Date: 1953
    • Topic: Submarine geology; Oceanographic instruments; Drill cores
    • Format: image
  11. Oceanographer's Roger Revelle holding some cable and about to be spiked by Gustaf Arrhenius, as a joke for the camera, during the Capricorn Expedition (1952-1953). This was the first Scripps Institution of Oceanography expedition to use scuba divers to explore the Pacific. Research ships Horizon and Spencer F. Baird mapped seamounts and guyots and other features of the Pacific seafloor. Scientists studied the 35,400 foot deep Tonga Trench, the second deepest place in the ocean, and measured heat flow on the East Pacific Rise. 1952.

    • Collection: Scripps Institution of Oceanography Photographs
    • Name: Scripps Institution of Oceanography; Capricorn Expedition (1952-1953); Spencer F. Baird (Ship); Horizon (Ship); Revelle, Roger, 1909-1991; Arrhenius, Gustaf
    • Date: 1952
    • Topic: Wit and humor--Pictorial; Oceanographic instruments; Oceanographers
    • Format: image
  12. Robert Floyd Dill and Roger Revelle rigging a Kullenberg piston core sampler. Midpac Expedition, 1950

    • Collection: Edward Sheldon Barr Papers
    • Name: Scripps Institution of Oceanography; Horizon (Ship); Midpac Expedition (1950); Dill, Robert Floyd, 1927-; Revelle, Roger, 1909-1991
    • Date: 1950
    • Topic: Oceanographic instruments
    • Format: image
  13. Roger Revelle, James Snodgrass, and Arthur Maxwell on deck of R/V HORIZON recover the temperature gradient recorder that measures geothermal gradients in the sea floor

    • Collection: Roger Revelle Papers; Scripps Institution of Oceanography Photographs
    • Name: Morita, Richard Y.; Horizon (Ship); Midpac Expedition (1950); Revelle, Roger, 1909-1991; Maxwell, Arthur Eugene, 1925-; Snodgrass, James Marion, 1908-1994
    • Date: 1950
    • Topic: Heat flow; Oceanographic instruments; Oceanography
    • Format: image
  14. [Roger Revelle on aft deck, R/V HORIZON deploying temperature probe]

    • Collection: Roger Revelle Papers; Scripps Institution of Oceanography Photographs
    • Name: Dill, Robert Floyd, 1927-; Horizon (Ship); Midpac Expedition (1950); Revelle, Roger, 1909-1991
    • Date: 1950
    • Topic: Oceanographic instruments; Heat flow
    • Format: image
  15. Roger Revelle and Jeffery Dean Frautschy gloating over the wire cable delivered to the research vessel Spencer F. Baird on the eve of the departure of the Scripps Institution of Oceanography's Capricorn Expedition (1952-1953). This was the first Scripps expedition to use scuba divers to explore the Pacific. Scientists mapped seamounts and guyots and other features of the Pacific seafloor. Scientists also studied the 35,400 foot deep Tonga Trench, the second deepest place in the ocean, and measured heat flow on the East Pacific Rise. October 25, 1952.

    • Collection: Scripps Institution of Oceanography Photographs
    • Name: Scripps Institution of Oceanography; Capricorn Expedition (1952-1953); Spencer F. Baird (Ship); Frautschy, Jeffery Dean; Revelle, Roger, 1909-1991
    • Date: 1952-10-25
    • Topic: Oceanographers; Oceanographic instruments
    • Format: image
  16. Roger Revelle and others on deck of R/V HORIZON recover Kullenberg corer

    • Collection: Roger Revelle Papers; Scripps Institution of Oceanography Photographs
    • Name: Morita, Richard Y.; Horizon (Ship); Midpac Expedition (1950); Revelle, Roger, 1909-1991
    • Date: 1950
    • Topic: Oceanography; Oceanographic instruments
    • Format: image
  17. Roger Revelle attaches Nansen bottle to lowering cable from starboard bucket

    • Collection: Edward Sheldon Barr Papers
    • Name: Barr, Edward Sheldon, 1933-; Horizon (Ship); Midpac Expedition (1950); Revelle, Roger, 1909-1991
    • Date: 1950
    • Topic: Oceanographic instruments
    • Format: image
  18. Dill [Roger Revelle on aft deck, R/V HORIZON deploying temperature probe]

    • Collection: Roger Revelle Papers; Scripps Institution of Oceanography Photographs
    • Name: Dill, Robert Floyd, 1927-; Horizon (Ship); Midpac Expedition (1950); Revelle, Roger, 1909-1991
    • Date: 1950
    • Topic: Heat flow; Oceanographic instruments
    • Format: image
  19. Jim Snodgrass and Roger Revelle handling a probe off the side of R/V Horizon

    • Collection: Scripps Institution of Oceanography Photographs
    • Name: Scripps Institution of Oceanography; Horizon (Ship); Midpac Expedition (1950); Revelle, Roger, 1909-1991; Snodgrass, James Marion, 1908-1994
    • Date: 1950-09
    • Topic: Heat flow; Oceanographic instruments
    • Format: image
  20. Roger Revelle collecting sample on R/V Scripps

    • Collection: Roger Revelle Papers; Scripps Institution of Oceanography Photographs
    • Name: Scripps Institution of Oceanography; Scripps (Ship); Revelle, Roger, 1909-1991
    • Date: 1936
    • Topic: Oceanographers; Oceanographic instruments
    • Format: image
  21. Roger Revelle, Robert Dill and Sid [I.e. Sydney] Rittenberg examine gravity core sample taken from seafloor

    • Collection: Roger Revelle Papers; Scripps Institution of Oceanography Photographs
    • Name: Morita, Richard Y.; Horizon (Ship); Midpac Expedition (1950); Revelle, Roger, 1909-1991; Dill, Robert Floyd, 1927-; Rittenberg, Sydney Charles, 1914-
    • Date: 1950
    • Topic: Oceanographic instruments; Oceanography
    • Format: image
  22. This winch being operated by Roger Revelle onboard R/V E.W. Scripps, spooled nearly four miles of steel cable, used to drop and hoist instruments, haul collecting nets, and take seawater and bottom samples. 1938

    • Collection: Eugene Cecil LaFond Papers
    • Name: LaFond, Eugene Cecil, 1909-, photographer; E.W. Scripps (Ship); Revelle, Roger, 1909-1991
    • Date: 1938
    • Topic: Oceanographers; Oceanographic instruments; Winches
    • Format: image