Hal Mc Whinnie on wed 20 aug 03
transparent gloss glaze
cone 5-6
gerstley borate 8.9
talc 2.2
whiting 6.7
custer spar 50.00
ball clay 4.5
epk 5.6
flint 22.2
add
zinc oxide 6.7
bentonite 1.1
for a waxy matt surface substitute kona f-4 feldspar for the custer. additons
of 5% tin oxide with 5% manganese, red iron, rutile , or yellow strain will
yield a range of earth colors. Blues are possible fwith addiions of 1% copper
and or cobalt.
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