The Making of the Glencairn Methuselah Window: Page 71
Zacharias & Wisemen Panels Chancel Clerestory
Tracing Color 5 Mediaeval Black
Half Tone Film 8 Modelling Clay Backing
See page 294 for pit mark tone on back.
When I traced the whites, I put little dots in the clear spaces
on the blues and other colors, spattered Modelling Clay Backing only
I did the spattering with a bristle brush rubbing it on my finger and holding the brush close to the glass. I left clear spaces here and there on both front and back and varied the tone.
Grind this paint up in the thinnest oxidized turpentine then add a good