The Making of the Glencairn Methuselah Window: Page 16
| continued from page 25 MAKING DRAWINGS
4th I took Strathmore Drawing Board, very white smooth and fine and transferred the details of the drawing trough onto the Strathmore Board.
5th Then I took an egg-separated the yolk from the white
6th Then I took dried stems of the Portulaca flower put them in water and warmed them on the stove. The resulting juice was a