In the following pages, all the steps for the preparation of the films, printing matrices for collotype prints, and many other details are explained.
Collotype safely without dichromate
Phototypie sans bichromates. Des réactifs, tel le diazidostilbene, peuvent être utilisés pour préparer les plaques pour la phototypie. Collotype without dichromate. Reagents, such as diazidostilbene can be used to prepare collotype plates.