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What is a Gum Bichromate Print? 

billy mabrey
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This is a quick example of how to make a gum bichromate photograph.
www.billymabrey.com
Gum bichromate printing is a manual technique of photography invented during the 1850s which uses watercolors and sunlight to render an image. The gum printing process helped artists to establish photography as an accepted medium of creative expression over 100 years ago.
The music is a little piece I wrote and recorded called 'Dreamquake'.

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27 май 2012

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Комментарии : 10   
@neoaureus
@neoaureus 4 года назад
Billy Billy Billy.....I love that music.....I too do photography and compose and record music....this composition is heavenly....came here for the print but elated by the music ! What a wonderful mind you have.....
@islybuarque
@islybuarque 11 лет назад
simple and amazing! Thanx!
@_H_2023
@_H_2023 3 года назад
All the videos show you inking up the image but I haven't found a video yet showing you how to make the Dichromate solution. Perhaps that could be on you list to do.
@krishartsphotography5643
@krishartsphotography5643 6 лет назад
Nice & Thank you :)
@ZapytajFotografa
@ZapytajFotografa 5 лет назад
I always use unnatural light as a stable source of light. Never tried the sun. How you work with it to get proper times? Are you using light meter?
@Mabe456
@Mabe456 4 года назад
I have a bank of UV florescent I normally would use. But for this video and the simplicity of getting the idea across I just used the sun. What you do is make 2 prints, the first print just cover most of it up with a board or something, and move it every 15 or 20 or 30 seconds or so. Make a test strip in other words. Then judge for yourself what exposure time looks right for that negative. Generally it's something under 10 minutes.
@FilipemcRaimundo
@FilipemcRaimundo 2 года назад
Hello ! Can you tell me were can i buy Gumm Arabic and ammonium dichromate? im really interestd in this kind of print, I look in Ebay but there are a few kits...
@Paul1287
@Paul1287 3 года назад
Was that music by Sunn 0)))?
@TheDesdemonias
@TheDesdemonias 10 лет назад
hello! nice work! I'm also using the gum bichromate but the mixture is too thick .. I do not understand why .. and this does not allow me to spread the mixture well. I put 20 gr. of gum arabic in 50 cl of water and 10 gr. of potassium dichromate in 50 grams of water. is that right? I hope for a reply .. today is the third attempt and still not satisfied .. thank you very much
@analogueandy8x10
@analogueandy8x10 6 лет назад
Wear gloves when working with dichromates!
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