Cyanotype on glass

Описание: The video shows how to make a gelatin cyanotype emulsion and apply it to glass.
Ingredients:
Gelatin (photo quality if possible)
Polyvinylpyrrolidone PVP (better adhesion)
Polysorbate 20 (Twin 20) - surfactant
Chromium alum (gelatin hardener)
Isopropyl alcohol (prevents foaming)
usual cyanotype solutions...

The method is compatible with VanDyck brown.

Music : Salva Recording, R. Shumann, Studien in kanonischer Form, Op.56