lili krakowski on fri 20 feb 04
This from E.Cooper's "Electric Kiln Pottery"
Debbie Shapiro, Sung Yellow, Orton c.6-8
Cornwall Stone 73
whiting 16
Neph. Sy., 4
Gerstley Borate or calcium borate frit 7
Vanadium Yellow stain 4
(She offers Uranium oxide as an alternate to Vanadium I have used plain =
Mason yellow stains.)
Cooper writes " This is an excellent base glaze. At c. 6 it crazes =
slightly, is is smooth at c.8 and slightly flinty."
I have added 8% bentonite to use it raw, and I have played around with =
tin in it.
This backs my opinion that "we' do not use Cornwall nearly enough esp. =
in c.6--neat neat ingredient.
Lili Krakowski
Be of good courage
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