The Making of the Glencairn Methuselah Window: Page 15
Method of making drawings
This I colored with Binney & Smith wax pencils <"Rembrandt"
crossed out> "Rubens" No 24
2nd I put shiny transparent tracing color over the colored drawing <sic “and”> refined the drawing
3rd I took a piece of the same shiny tracing paper and rubbed lead pencil over it (Faber 2B)
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