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411964
  • Title
    British Imperial Trans-Antarctic Expedition, 1914-1917 / Paget plates by Frank Hurley
  • Creator
  • Call number
    ON 26
  • Level of description
    Collection
  • Date

    1914-1917
  • Type of material
  • Reference code
    411964
  • Issue Copy
    Digitised
  • Physical Description
    Photographs - 12 x 16.3 cm. - 32 screen colour glass phototransparencies (Paget)
  • Scope and Content
    1. Hurley with Cinematograph. South Georgia
    2. Hurley photographing under the bows of the "Endurance". Shackleton expedition 1915
    3. The pack ice breaking up. Sir Ernest Shackleton watching a lead forming.
    4. Cheetam 3rd officer of the "Endurance" signalling Shackleton expedition
    5. The Bosun of the "Endurance", Vincent A.B. mending a net. Shackleton expedition
    6. [number not assigned]
    7. The pink glow of the rising sun shining on a pressure ridge. Weddell Sea. Winter 1915
    8. The rigging of the "Endurance" encrusted with RIME crystals. Weddell Sea, 1915
    9. Looking across a "lead" newly formed onto a pressure ridge. Photographed in the Weddell Sea. January 1915. Shackleton expedition
    10. A mid-winter glow. Weddell Sea. Shackleton expedition
    11. Noon. Mid-winters day, 1915. Weddell Sea. Shackleton expedition
    12. The "Endurance" under full sail, held up in the Weddell Sea
    13. Mid-summer 1915 January. A lead recently formed and just freezing over. The foreground is covered with small carnation shaped crystals, called ice flowers. Shackleton expedition.
    14. A mid-summer sunset with close up view of Endurance frozen in.
    15. The "Endurance" frozen in 76/35 South. Taken 1st January, 1915.
    16. The "Endurance" frozen in mid-winter 1915. Shackleton expedition.
    17. The Deck of the "Endurance". Shackleton Expedition
    18. Glimpse of the Ship through Hummocks. Shackleton expedition
    19. A typical Sub-Antarctic sunrise. South Georgia
    20. Glacier, New Fortuna Bay, South Georgia. Shackleton expedition
    21. New Fortuna GLacier South Georgia
    22. Scene West Fjord South Georgia. Shackleton expedition
    23. Face of the Neumeyer Glacier, South Georgia. Shackleton expedition
    24. King Penguin Rockery. South Georgia. Bay of Isles
    25. Scene in the Bay of Isles. South Georgia
    26. Headland covered with dying tussock grass. South Georgia
    27. Scene Moraine Fjord. South Georgia
    28. The "Bulldog" Peak, Head of Moraine Fjord. South Georgia
    29. Summer vegetation. Leith Harbour, South Georgia
    30. Glacier face, South Georgia. Shackleton expedition
    31. The impenetrable icefield we encountered in Lat 76 .. 30 S which prevented us from reaching the land
    32. The chick of the Wanderer Albatross, photographed at South Georgia. February 1917. Shackleton expedition
    33. Dog teams scouting a way to the land across the rough sea ice. Shackleton expedition
  • Access Conditions

    Access to this pictures collection via appointment only. Please submit your request through Ask a Librarian
  • Copying Conditions
    Out of copyright: Created before 1955
    Please acknowledge: : Mitchell Library, State Library of New South Wales
  • General note

    The Paget Colour Plate system used by Hurley was not like today's colour film. It used a ruled set of colour lines, called a screen, sandwiched with a standard black and white glass half plate negative. The subject was exposed through the colour screen, which acted like a series of colour filters, onto the black and white negative. The negative was reverse processed into a positive transparency and placed back in contact with the screen, giving the effect of a colour photograph.
    PLEASE NOTE: With time, many of the screens have shrunk at a different rate to the black and white positive, so that the image now has a strange magenta/green colour shift that does not resemble the original colours. On the other hand, some of Hurley's Paget plates seem to have the correct rendering.

    TECHNICAL DETAILS OF PAGET COLOUR PLATES. Early colour processes were based on introducing minute colour filters into a black and white emulsion. For instance the Autochrome system used minute potato starch grains, one third dyed red-orange, green and violet on a glass plate. Red light would pass through a red starch grain and give a black dot on the negative. Reverse processing would then produce a clear spot. When the glass plate was held up to the light, a red spot would be seen, corresponding to the original light.
    Several colour screen processes, using machine ruled lines on the emulsion, were introduced before WWI.
    Geoffrey Whitfield of London devised a system in which the screen was produced on a plate first dyed red. The surface was covered with parallel lines printed in a water resistant material and the plate bleached. The clear spaces between were dyed green and a second pattern of cross resist lnes was printed, followed by a second bleach. The clear spaces remaining were dyed blue, giving a pattern of two blue squares to each red and green square. The elements were about 1/300 inch in size..They were marketed as Paget Colour Plates in April 1913. Exposures were about 1/25th second at f4. It was possible to buy separate screens, which were sandwiched with the black and white plate before exposure and realigned after processing.
    Colour screen processes fell out of favour in the 1920s, when the price of screens became prohibitive. Naturally, enlargement of any colour screen process soon reveals the pattern of lines or, in the case of an Autochrome, the potato starch grains.
    -- Curator of Photographs, Mitchell Library, 2001
    Digital order no:Album ID : 823227
  • Signatures / Inscriptions

    Identifications typed on original envelopes
  • Name
  • Subject
  • Topic
  • Place
  • Exhibited in

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