wow more colour!
friday is rapidly becoming the most interesting day of the week. glazing has moved into practical and fascinating tests. below are simple line blended tiles, from the Leach's 40,30,20,10 base, with half having zirconium opacifier (to make it whiter) and the back two lines having been fired in reduction. only coper oxide has been added
as we can see there's a vast difference in colour from blue-ish thru to green and finally deep red. kinda cool.
of course they started linke this: