My firts product for the autochrome :
Microscope, black of fume, damar gum.
I am waiting for the "Sanford rubber cement". And it miss me to begin the second varnish, "Toluène", "Ethyle acétate" and...Louis Lumière call this (in french) : "filtre étoffe". If someone have an idea about this "filtre étoffe" don't hesiate to tell me.
Here is for the moment.