mark, there is not much out there on granulation instruction
per se. the book by oppi untracht jewelry concepts and
You may also be able to find a copy of harvey Littledales
original patent application from the 30s, on his method of
granulation. Not sure where, but I think it’s been published.
I’ve got a copy somewhere and if people want, can dig up more
particulars on where and when it was filed…
And there exists, though I don’t have a copy, a detailed 1961
technical paper by William Haendel on the process he called
eutectic soldering, which is the same thing as is used in
A several page description including her own techniques and
experiences in granulation written by the renowned german
goldsmith, Elizabeth Treskow, can be found in Wilhelm
Braun-Feldweg’s "Metal design & technique) (1975)
John Cogswell wrote a detailed chapter on granulating with
silver in Tim McCreights Metals Technic book. The info there
applies pretty well to granulation in general.
And Phillip Mortons “Contemporary Jewelry” also has about 4
detailed pages of fine 'bout as much as you’d need,
There’s more out there as well, but frankly, the best way to
learn to do this is simply to try it, for heavens sake. It’s not
really all that complex to understand, but you have to train your
hands and eyes to know how hot to get the piece and all that
stuff. You won’t learn that well by reading it, but rather by
doing it and seeing what works for you.
Hope this helps.