The Making of the Glencairn Methuselah Window: Page 23
Treatment for Radagonde Panel
Feb 27 1928
Mix Backing with some Golden texture added with a little gum arabic.
Put on the piece of glass some water, rather a good deal – here and there, spatter with a toothbrush, where the spattered stuff dries lay on a blotter or piece of soft paper to lift off the water which has not dried.
On the front