Heliogravure Video

As a part of the acts celebrating the World Day for Audiovisual Heritage, past Friday October 27 the Centre for Image Research and Diffusion (CRDI) featured a video showing the original Talbot-Klic method (1879) for photogravure on copperplate. Answering the kind invitation from CRDI, I have been pleased to prepare the script and supervise the …

Seminari Sobre Fotogravat / Seminario Sobre Fotograbado

El Divendres 10 de Novembre (9:30-13:30h i 15-17h) d'enguany i dintre del marc de la celebració del 20é Aniversari del Centre de Recerca i Difusió de la Imatge (CRDI) impartiré un Seminari sobre Fotogravat. El temari s'iniciarà amb una breu ressenya històrica dels seus antecedents, la relació amb el naixement de la Fotografia i la …

Printing Negatives or Positives for Alternative Processes

A lot of literature has been written about the best way to inkjet printing life size negatives or positives, both intended for the so called alternative photographic processes. From the early days of digital image printer models to current photographic quality printers, a lot of proposals have been developed. Some of those methods were based …

Heliogravure VIII – More About Etching

In a previous post have been exposed a general method to reduce the number of etching baths and rationalize the relationship between the total etching time and the partial etching times in the respective baths. Here we will analyse a sequential fine tuning of a couple of ferric chloride baths having previously determined a total …