Concentrated Earl Grey with white gouache & touches of Raspberry Zinger on found paper, ~4¾ x 3¾". The book this page came from is Consumer Goods/ How to Know & Use Them by Reich & Siegler, ©1937.
How useless to the novice is that "method" at the bottom!? :-D Especially considering that the book was aimed at "young people," according to the editor's introduction. Not even a hint about brewing time, &c. I suppose it was understood that one could always ask Mother.
Her Odd Materials No. 9