treasury

35 photos and 4 illustrations tagged treasury, from 10 members of Flickr Commons.

When were these photos & illustrations taken?

13
1865
2013

 

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Photos & Illustrations tagged treasury:

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Untitled

  • CJ Nye said:
    Why so blue?
  • Smithsonian Institution said:
    Smithsonian here. Here's a little more about cyanotypes. You can find more descriptions of phtoographic media in our search- photography.si.edu Cyanotype Sir John Herschel invented the process for printing a cyanotype—more commonly known as a blueprint—in 1842. Creating a cyanotype involved developing prepared paper with an iron-salt solution. After treating the paper with ferric ammonium citrate and potassium ferriyanide, a photographer would place a negative, or even a drawing, on top of it in direct sunlight, causing the exposed parts of the paper to turn bright blue from the effects of the iron. Subsequently submerging the print in water caused the image to become fixed and the unexposed chemicals to wash away, and the iron’s oxidation caused the blue image to intensify. Engineers and architects favored this process for copying drawings because it was stable, efficient, and inexpensive. Thomas Smillie, the Smithsonian’s first photographer, employed this printing method to keep track of his glass-plate negatives. He made and cataloged cyanotypes of each image, after which he stored the corresponding glass-plate negative.
  • swanq said:
    S. P. Langley (who signed this check) was the 3rd Secretary of the Smithsonian (1887-1906) en.wikipedia.org/wiki/Samuel_Pierpont_Langley

Queensland Government Treasury Buildings, Queen Street, Brisbane, ca.1907

  • Aussie~mobs said:
    Henry Mobsby, Qld Govt photographer, artist and designer worked for the Intelligence and Tourist Bureau. He and Fred Wills took the first moving pictures in Queensland.
  • Jim Griffin said:
    A great old postcard, Kaye.

Tentoonstellingsontwerp | Exhibition design

  • David J Gill said:
    Are there no other photographs from this exhibition?