Digital BW, The Print

In the context of photography, when someone refers tradition carbon process,
I think of either Carbon prints which began in the mid-1860's or Carbro
prints which began in 1899 but was modified by Thomas Manly in 1905 and
finally called "carbro" in 1919. Both are non-silver, gelatin based, pigment
printing processes. In both cases the name came from the use of carbon
pigments, which types or variations, I do not know.

Wendel

> Subject: [Digital BW] Re:Darkroom vs. Inkjet
> 
> What is "traditional" carbon?    Various kinds of carbon black
> (channel black, charcoal black, bone black, etc) have been in use
> for centuries,if not millenia.  The pigments used in the black inks
> in my collection of stone-plate lithographs make between 1895 and
> 1915 (I think 100 years old qualifies as "traditional") are still
> perfectly black and exhibit no metamerism.