So, your odds are pretty good that you'll find the exact process
outlined. If not on one, then on another.
David Milton
Bob Szabo wrote:
> I was wondering if anyone on the list has any knowledge about
> resaerching
> patents.
>
> Living near DC I was going to go to the patent office to research
> patents
> for Ferrotype plates.
>
> Do you think they would give formulas for the japaning process. And
> also
> baking techniques?
>
> I bake my own plates now and have all the formulas from Silver
> Sunbeam,
> Ferrotype and How to Make It, etc... but would like to see how the
> commercial makers made them.
>
> Best Regards,
>
> Bob Szabo
> rjs@cwreenactors.com
> Civil War Photography
> http://www.cwreenactors.com/collodion
> Civil War Reenactors Home Page
> http://www.cwreenactors.com