Tag: Gum bichromates

Gum Printing and Other Amazing Contact Printing Processes

Now shipping the 2013 revision of Christina Z. Anderson’s book Alternative Processes Condensed with an extensive gum section.

Posted in category: Books, General alternative processes, Gum bichromates | Other tags: Christina Z. Anderson, contact printing, cyanotypes, gum printing, gum printing and other amazing contact printing processes, platinums, printmaker, sweet introduction |

Flemming Sarup, 1934 – 2012

Danish photographers
From: Copenhagen, Denmark.
Shows: Gum bichromates.
See gallery

Posted in category: Danish photographers, Gum bichromate photographers | Other tags: denmark, Flemming Sarup, photographer, photographers |

Radek Brzozowski

European photographer
From: Gdynia, Poland.
Shows: Cyanotypes and Gum bichromates.
See gallery

Posted in category: Cyanotype photographers, Gum bichromate photographers, Polish photographers | Other tags: cyanotypes, Radek Brzozowski |

European Travelling Portfolio 2012-2013

European photographers
From: UK, Spain and France.
Shows: Cyanotypes, Gum bichromates, Temperaprints, Salt prints, Wet plate collodions.
See gallery

Posted in category: Cyanotype photographers, French photographers, Gum bichromate photographers, Photographic groups, Salt print photographers, Spanish photographers, Temperaprint photographers, UK photographers, Wet plate collodion photographers | Other tags: Alex Chater, cyanotypes, Erick Mengual, ETP, European Travelling Portfolio, Hellena Cleary, Jean Daubas, John Brewer, Juan Marti Gomez, Juan Miguel Jusdado, Ken Keen, Maurien Maron, Salt prints, tempera prints, Tom Sobota, Wet plate collodions |

CMYK Colour Separation using the Gimp

Selby Markham writes a step-by-step to CMYK colour separation for gum bichromate printing – but not with Photoshop – he used the freeware Gimp.

Posted in category: Gum bichromates, Photoshop & Gimp | Other tags: CMYK, colour separation, Gimp, Selby Markham |

An update on the Ferric gum process

Michael Andrews describes two approaches to the ferric gum process: Frank Gorga’s and Peter Friedrichsen.

Posted in category: Gum bichromates | Other tags: ferric gum process, Frank Gorga, Katherine Thayer, Michael Andrews, Peter Friedrichsen |

A Non-Silver Manual: One interpretation of gum printing

The chapter called “One interpretation of gum printing” of Sarah Van Keuren’s book “A Non-Silver Manual: Cyanotype, Vandyke Brown, Palladium & Gum Bichromate with instructions for making light-resists including pinhole photography”, written by Melissa Good.

Posted in category: Books, Gum bichromates | Other tags: A Non-Silver Manual, corkboard, dialog box, error diffusion, flat bed scanner, Melissa Good, Vandyke browns |

A Non-Silver Manual: Gum bichromate

The chapter called “Gum bichromate” of Sarah Van Keuren’s book “A Non-Silver Manual: Cyanotype, Vandyke Brown, Palladium & Gum Bichromate with instructions for making light-resists including pinhole photography”.

Posted in category: Books, Gum bichromates | Other tags: A Non-Silver Manual, bas relief, contact printing, gum arabic, gum print, pigment, printing industry, printmaker, Sarah Van Keuren |

The extraordinary mechanism underlying the ferric gum process

Michael Andrews explains some of the technical details of the ferric gum process.

Posted in category: Gum bichromates | Other tags: ferric gum process, Michael Andrews |

Ferric gum process – a radically different variation on gum

The ferric gum process is like gum bichromate in some respects but it is also radically different. Sensitiser is brushed onto the paper, the paper is dried and exposed under a suitable image, and only at this point would pigmented gum be brushed onto the exposed paper.