Switch to English Language Passer en langue française Omschakelen naar Nederlandse Taal Wechseln Sie zu deutschen Sprache Passa alla lingua italiana
Members: 68,714   Posts: 1,483,032   Online: 784
      
Page 6 of 6 FirstFirst 123456
Results 51 to 57 of 57
  1. #51
    Vaughn's Avatar
    Join Date
    Dec 2006
    Location
    Humboldt Co.
    Shooter
    8x10 Format
    Posts
    4,550
    Images
    40
    Quote Originally Posted by paul_c5x4 View Post
    I had made a note of your comment about using old film, but the only size I have is 5x4. X-ray film, whilst a good idea, would mean sourcing yet more stuff - If I ever come across any, I'll snap it up straight away. In the meantime, if anyone is looking for thymol, I found bee keepers use it for varroa mite control (and it is reasonably cheap).
    For the tissue support material, the film I use is litho film. It is only .004" in thickness, compared to .007" for normal films. If one does not have a good contact printing frame, I found that when using the tissue on the .007" film, it was difficult to keep good contact between the negative and the tissue during exposure. But that was many years ago -- I should try it again one of these days when I have nothing to do. LOL!

    I still use the watercolor paints in tubes for my pigment. Mostly Lampblack and Burnt Sienna right now. At the amounts I use, the cost is reasonable. But the Black Cat Ink does sound interesting...but it does mean recalibrating, so I am not rushing into it.

    I finally broke down and bought a 5 pound bag of gelatin from BulkFoods. I always liked the idea of getting my makings from the supermarket. But at $5 a pound (w/shipping), compared to $20 - $40/lb at the market in little tiny packages, I went for the bulk.

    Vaughn
    At least with LF landscape, a bad day of photography can still be a good day of exercise.

  2. #52
    Nikola Dulgiarov's Avatar
    Join Date
    Jul 2008
    Location
    Sevilevo, Bulgaria
    Shooter
    Multi Format
    Posts
    129
    Loris,
    I actually have some rapidograph ink at home, should have thought to use it.
    Thanks,
    Nikola

  3. #53

    Join Date
    Jan 2010
    Location
    Wiltshire, UK
    Shooter
    4x5 Format
    Posts
    47
    Paul,

    I use Windsor and Newton black Indian ink in gelatine from Tesco's. Although it can get a touch fragile if too wet, I find that normal 80gsm copier paper works fine as the tissue support - I just soak it briefly before squeegeeing to a board and pouring on the gloop (UK spelling ). I have found sources for x-ray film here in the UK, but it does not work out very cheap in the end so not really worth the hassle.

    As for other pigments, I swept the chimney again the other day and now have a nice source of carbon powder (soot); albeit a bit oily and smelly, it seems to work and gives interesting results! It just needs a good grind in the pestle with a little gum Arabic to make a paste for mixing into the gelatine, then a good straining through a pair of old tights.

    Best regards,

    Evan

    EDIT: rather interesting about the use of Thymol with bees; I normally just add a dash of Listerene mouth wash which has thymol in it.
    Last edited by banana_legs; 09-22-2010 at 03:51 PM. Click to view previous post history.

  4. #54
    paul_c5x4's Avatar
    Join Date
    Apr 2009
    Location
    Ye Olde England
    Shooter
    Large Format
    Posts
    1,328
    Images
    22
    Quote Originally Posted by banana_legs View Post
    rather interesting about the use of Thymol with bees; I normally just add a dash of Listerene mouth wash which has thymol in it.
    Have heard of using Listerine elsewhere, but at 0.064% (typical) concentration, I wonder how effective it is as a preservative. With the additional oils, flavourings, and colourants, I have (slight) concerns about the archival qualities... Maybe the minty fresh taste & smell would be a good selling point.

    A 100g bag of Thymol is going to treat an awful lot of gloop/glop - More than I could mix in a lifetime.

  5. #55

    Join Date
    Mar 2003
    Location
    Greenville, SC
    Shooter
    Large Format
    Posts
    4,813
    Images
    5
    Quote Originally Posted by paul_c5x4 View Post
    Have heard of using Listerine elsewhere, but at 0.064% (typical) concentration, I wonder how effective it is as a preservative. With the additional oils, flavourings, and colourants, I have (slight) concerns about the archival qualities... Maybe the minty fresh taste & smell would be a good selling point.

    A 100g bag of Thymol is going to treat an awful lot of gloop/glop - More than I could mix in a lifetime.
    I used to add a few drops of a thymol in alcohol solution to the glop but quit doing so years ago. A preservative is only necessary in my experience if the place where you store the tissue is very humid, and if you keep the tissue for a long time before using it. I generally make tissue and use it in three or four months, at most. Using fresh tissue is one method to assure some consistency in your work. Course, if you have the space the tissue will store for a very long period of time in a freezer.

    Some people make tissue making much more complicated than it really is. My advice is to keep it simple and don't add stuff to the glop that is not necessary

    Sandy
    Last edited by sanking; 09-24-2010 at 01:40 PM. Click to view previous post history.

  6. #56

    Join Date
    Jan 2010
    Location
    Wiltshire, UK
    Shooter
    4x5 Format
    Posts
    47
    Paul,

    I must confess to following Sandy's approach of keeping it simple; my thymol use these days is pretty much adding 4ml of Listerene to 100ml of my Part A cyanotype sensitiser to stop it going furry. The listerene works a treat and also makes it easy to tell the bottles apart as the part A stinks of mouthwash.

    Best regards,

    Evan

  7. #57
    Vaughn's Avatar
    Join Date
    Dec 2006
    Location
    Humboldt Co.
    Shooter
    8x10 Format
    Posts
    4,550
    Images
    40
    I do not add any preservatives -- but I have lost a couple tissues to mold after pouring, but before they got dry enough. Once when I did not have the fan blowing on a tissue and the other when I let it air dry in a small space (no air movement).
    At least with LF landscape, a bad day of photography can still be a good day of exercise.

Page 6 of 6 FirstFirst 123456


 

APUG PARTNERS EQUALLY FUNDING OUR COMMUNITY:



Contact Us  |  Support Us!  |  Advertise  |  Site Terms  |  Archive  —   Search  |  Mobile Device Access  |  RSS  |  Facebook  |  Linkedin