Explains the relative merits of three different ways of producing printed circuit boards by etching copper-clad boards.

This short guide takes you through the process of Cyanotype Printing, the oldest form of photography. There are also links to some supporting resources. 

A document which covers general and specific hazards and risks in darkroom work, guidance on how these can be managed and such safeguarding issues as might apply.

Developing colour or black and white films or prints. Fixing colour or black and white films or prints. Stop baths used between developing and fixing. Chemicals used for specialist treatments.