Share 'Documentation of the Orotone (Curt-Tone) process?'

I've been making my own silver gelatine glass plates and am exploring ways to print and present positives. I'm intrigued by historical orotones such as the ones produced by Edward S. Curtis in early 20th Century. There are a few contemporary techniques employed to produce a positive on a glass with a gold/bronze background but my early attempts with these acrylic paint or faux gold leaf based me…