History in photography - Titanic

Discussion in 'Antiques and Collecting' started by Marco B, Jul 16, 2010.

  1. Marco B

    Marco B Member

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  2. pentaxuser

    pentaxuser Subscriber

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    Marco, thanks for that. Interesting

    pentaxuser
     
  3. AgX

    AgX Member

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    Thank You, Marco.

    Does anyone of you Apuggers still has an analogue photo booth around where he lives?
    I don't.
     
  4. Marco B

    Marco B Member

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    No, but digital ones as a heritage of the old analog ones yes. My nearest railway station... at least, I am sure it will be digital by now, haven't ever had a real close look to be honest though.
     
  5. pentaxuser

    pentaxuser Subscriber

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    I remember the instructions to leave in the chute that the strip was dropped into as it was a little sticky if you handled the surface straight away. That was the 60's when the prints were all B&W. Given the servicing each booth must have needed compared to digital booths I'd be amazed if there are any left in Europe at all.

    pentaxuser
     
  6. jnanian

    jnanian Advertiser Advertiser

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  7. Marco B

    Marco B Member

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    Thanks for pointing this out!

    But now I am puzzled. The video there, says it is a B&W photobooth according to the text. But I see some colored liquids (Orange, Yellow, Green), what chemicals are in there :confused:

    [YOUTUBE]http://www.youtube.com/watch?v=q377Stfri-0[/YOUTUBE]
     
  8. AgX

    AgX Member

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    But b&w chemicals are not black and white either...
     
  9. Ektagraphic

    Ektagraphic Member

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    That video was great! Makes me want to see one of these in real life! I am now going to be on the hunt for an analog photobooth!
     
  10. Jeff Kubach

    Jeff Kubach Member

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    I enjoy that! There is a photo booth at a shopping mall where I live, I'm sure it is digital.

    Jeff
     
  11. pentaxuser

    pentaxuser Subscriber

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    So it appears as if the strip goes into all 13/14 tanks so a bit more than straight dev stop and fix and wash. I suppose that there may be say 3 tanks associated with dev but even so the time in dev quite short. Washing time is very short also. From what I remember the time from flashes to pics was probably no more than 5 mins.

    There appears to be no negative to positive printing as such. Is the paper a direct positive as in the equivalent of a paper transparency?Toner was mentioned. What did this do?

    It raises a lot of questions. Anyone know exactly how these booths used to process the prints?

    I am curious now

    pentaxuser
     
  12. AgX

    AgX Member

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    I just learned that 11 analogue b&w photobooths are again in service in Germany alone.
     
  13. Ektagraphic

    Ektagraphic Member

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    I would love to have a buissness that I could have one of these in! I am still in awe!
     
  14. jnanian

    jnanian Advertiser Advertiser

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    marko

    according to an apug member who owns leases and sells photo booths
    his booths have a process that uses toners and bleaches and things like that ...
    maybe thats's what the curious liquids are ...

    http://www.apug.org/forums/forum37/...omate-direct-positive-photobooth-process.html
     
  15. Marco B

    Marco B Member

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    Thanks,

    But this still leaves me slightly puzzled. Looking at the "reversal" chemical list there, I think most of the listed chemicals are colorless, except the potassium dichromate, that I have never used. According to this page, potassium dichromate forms "bright yellowish-red crystals", so the orange/red solution might be it...

    Maybe the yellow and greenish solutions are actually contaminated water baths???, with more dilution during washing of the excess dichromate, maybe a pH change causes a shift to a blue/green color of the solution???

    OK, now seems there may be another reaction going on in the water baths (see http://en.wikipedia.org/wiki/Potassium_dichromate): if chromium ions are reduced, they shift color from orange to green. Since there will undoubtedly be some cross contamination between baths, the water bath probably contains enough stuff that can be oxidized, to facilitate this reduction reaction.

    "When an aldehyde is present the chromium ions will be reduced from the +6 to the +3 oxidation state, changing color from orange to green."

    Marco
     
  16. AmsterdamMartin

    AmsterdamMartin Member

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    In the Netherlands all is digital now indeed. The analog ones were in warehouses for a long time and all were sold to artists. Not the whole booth but stripped, the bottom is a fine developing, printing and drying machine. I am in the market for one, there must be some standing in a warehouse somewhere.
    That is because even shortly after 2000, official documents like passports demanded analog photography. There was some paranoia about digital. They thought you couldn't mess with analog, hahahaha.
     
  17. guitstik

    guitstik Member

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    My wife says we live in a photobooth.
     
  18. Akki14

    Akki14 Member

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    Potassium dichromate solution is bright neon orange (I've used it and mixed it when I was intending on doing gum prints but never quite got there as far as making decent looking prints). Blix/Bleach in C-41 is a deep blood-red.

    I wonder if they put in a little non-reactive dye into the colourless chemicals so the people loading the chemicals don't mix them up and the whole system goes horribly horribly wrong and needs to be flushed out?

    [​IMG]
     
    Last edited by a moderator: Sep 10, 2010
  19. 2F/2F

    2F/2F Member

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    Thanks for the videos, and thank you, John, for the link.

    We have some booths in L.A., but I do not know if they are analog, as I have not used them. (The last one I used was on the Santa Monica pier perhaps 15 to 20 years ago.) I assume that the ones I have seen recently are digital for the shooting, but they are possibly analog for the printing, as a few of them have the hexagonal surface pattern that I assume is not possible with inkjets unless it is applied after the ink is sprayed.

    I have many photo booth strips in my family photo boxes. They are great fun to look at.
     
    Last edited by a moderator: Sep 10, 2010
  20. Marco B

    Marco B Member

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