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  1. Replies
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    Re: SFO near-horror story

    Hmm, thats strange.. I have asked for hand screening many times at SFO and always been treated very nicely. And the film treated correctly. As I recall, security there has always been manned by TSA,...
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    Re: Darkroom Wall paint

    As an aside, a friend of mine used white factory painted corrugated sheet metal siding inside his garage-shop and it created a very nice clean wall surface.

    The reason I am asking about linseed...
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    Re: Darkroom Wall paint

    Fortunately it is not asbestos It is a tile composite of cement and wood shavings. And you are absolutely right about drainage around the house….Will be done.

    /gth
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    Re: Darkroom Wall paint

    The house was built in 1859, solid timber with standing siding, 1 1/2 inch by 8-10 inch planks. Rebuilt in the 60 's insulated and horizontal siding on top of old siding. So no lead paint problem.
    ...
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    Darkroom Wall paint

    Are there any issues with what type of paint to use on walls and cabinets in a darkroom. in terms of outgassing and chemical problems with papers and processes?

    It's an old house where I am using...
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    Re: Ammonium Dichromate replacement for Carbon printing

    Sandy, do you know if the Speedball Diazo Sensitizer has been determined NOT to work with gelatine?

    In the big thread on this matter at APUG seems they started with the Speedball because it is...
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    Re: Carbon Transfer Prints

    I ordered from John Burrows at this business and received excellent service. No problems, fast delivery, highly recommended!

    Thanks!

    /gth
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    Re: Carbon Transfer Prints

    Ok, thanks… what grade…. or bloom…. do I ask for?

    -gth
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    Re: Carbon Transfer Prints

    Where IN CANADA do I purchase the recommended gelatin for Carbon Transfer

    /gth
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    Re: The Dye Transfer Process

    Eh….. too much late night posting there gth…… Sorry about that one fellows……. That article or whatever I linked to on LL was posted by slackercruster….. remember than one? I am sure the moderators...
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    Re: The Dye Transfer Process

    An excellent archive of DT material including Kodak original brochure and manuals on DT.

    http://www.daviddoubley.com/DyeTransfer.htm

    Check out this ad video from he same archive...
    ...
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    Re: The Dye Transfer Process

    Some nice DT images and reminiscence from DT practitioners

    http://www.luminous-landscape.com/forum/index.php?topic=67972.0

    I did not know that as late as the 80s's DT was still very much alive…...
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    Re: The Dye Transfer Process

    Artists! And retired cranks.
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    Re: The Dye Transfer Process

    What filters did you use?

    Great method but you must be limited to very stationary scenes.

    What about problems rocking the camera when you change film holder and filter?

    You need a very...
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    Re: The Dye Transfer Process

    Digital negative separations processed and tweaked in PS and used to expose the DT matrices = best of both world?

    Exciting times!

    /gth
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    Re: Ammonium Dichromate replacement for Carbon printing

    Ok, I understand.
    Would it be possible to make pre-sensitized tissue in certain fixed contrast grades and then tune it with an additional brush coat at print time.?
    That would depend on if you...
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    Re: Ammonium Dichromate replacement for Carbon printing

    A couple of stupid questions Sandy..

    When you tested the emulsion with the step wedge…. this is a step edge transparency that you contact printed onto the emulsion sample. Then you developed that...
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    Re: The Dye Transfer Process

    Look, so inkjet prints 60 years after the heyday of DTs and billions of dollars in development in software and printing technology and now on a good day it surpasses DT?

    OF course. With obvious...
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    Re: Ammonium Dichromate replacement for Carbon printing

    That is terrific Sandy…… Few if any are as qualified to take on this issue as you are. Thanks!
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    Re: The Dye Transfer Process

    Yeah, 60 years later and a few billion $$ i development, whoo, whoo…….. let's not go THERE…. it's all good...
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    Re: The Dye Transfer Process

    I put this link in my Eliot Porter thread but it belongs here too…… it bit less "dense" than the previous video.

    http://youtu.be/qiRy0hszVRk

    If you can spend the time with both you will have...
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    The Dye Transfer Process

    You will enjoy this….

    http://youtu.be/v3EBIMVJVXE

    /gth
  23. Thread: Eliot Porter

    by gth
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    Re: Eliot Porter

    I found this video on you tube which shows the actual Eliot Porter dye transfer print process from making separations, masks, matrices, mixing dyes and final printing.

    In his original lab!!
    ...
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    Re: Ammonium Dichromate replacement for Carbon printing

    That yahoo group seems like the place for this……. But how the hell do you read that thing…??? I feel stupid ….. you have to look at each message individually….. there is even a button for "source"...
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    Re: Ammonium Dichromate replacement for Carbon printing

    Further required DAS concentration and cost.

    David Chalmers at

    http://carbonprinting.wordpress.com/category/process/

    Says he uses 0.5% DAS sensitizer in the emulsion.

    If I use an...
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    Re: Ammonium Dichromate replacement for Carbon printing

    The TCIi price for DAS is about $90 per 25 g. There is a some mention of 2mg of DAS per sq in of tissue on APUG. That translates to $0.60 per 8x10 print.
    The 25 gram price is advertised on the...
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    Re: Ammonium Dichromate replacement for Carbon printing

    I would like to make it clear that I was somewhat apprehensive about starting this thread, should it in any way cast the tremendous work and effort by Sandy and others in a bad light.

    Obviously...
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    Re: Ammonium Dichromate replacement for Carbon printing

    Can you buy it and ship it in Sweden?

    BH photo will sell it but only at their store in NYC…. no shipping. (ETC.)

    I think we all end up at the same place… "I can handle it safely…. BUT"……
    ...
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    Re: Ammonium Dichromate replacement for Carbon printing

    One Exposure is not going to to do you in. It's cronic exposure over time that makes a difference, at least for small doses per exposure. But it's fairly nasty stuff. It does not matter if your have...
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    Re: Ammonium Dichromate replacement for Carbon printing

    DSA available worldwide

    http://www.chemicalbook.com/ChemicalProductProperty_EN_CB9384077.htm

    Looks like about $0.60 per 8x10 print?
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    Re: Ammonium Dichromate replacement for Carbon printing

    Sandy,

    Just finished reading the DSA thread on APUG. Thanks for the link.

    In your opinion, if one "started from scratch" in developing ones Carbon printing workflow do you see any intrinsic...
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    Re: Ammonium Dichromate replacement for Carbon printing

    Thanks Sandy I was just about to ask those specific questions, that is. how much residual dichromate is retained in the print itself. Personally I don't have problem of handling the stuff in the...
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    Re: Ammonium Dichromate replacement for Carbon printing

    Pete,

    Check out the link I put in my first post.

    It gives supposedly an alternative to Ammonium Dichromate. Which apparently is a strong carcinogen……. I don't know what the facts are.

    BUt...
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    Ammonium Dichromate replacement for Carbon printing

    The toxicity of ammonium dichromate puts a bit of a potential damper on carbon and gum printing, especially if one want to work in Europe, where availability might soon become a real problem....
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    Re: Carbon Transfer Prints

    How much would a print like Sandy's "Lost Car" sell for, if I may be so crass?
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    Re: Carbon Transfer Prints

    That is great news. What is your estimated opening date?

    /gth
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    Re: Carbon Transfer Prints

    I doubt that the 750x500 pixel web pict gives justice to this print which must be something else to behold.

    I took the liberty of printing it in 8x10 on my crappy Brother all-in-one printer…....
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    Re: Marts 2014 portraits

    I would say that book title is an understatement!!

    That is an amazing body of artistic work you are presenting Emil….. A unique vision, a technical tour de force and a fabulous coherent...
  39. Re: Feeler/exploration for Wanted, 10 people for 5x7 print exchange. 2014, year 1

    Will the prints be displayed here?
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    Re: safe haven for tiny formats

    Great shots.

    Channeling Eliot Porter?

    How are they scanned?
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