Before Mayer (1895–1979), artists relied on apprentice-based secrets (Cennini) or fragmented manufacturer manuals. The 1930s saw a crisis: modern industrial paints (alkyds, acrylics) flooded the market, but traditional training ignored chemical interactions. Mayer, a painter and technical researcher at Columbia University, created the handbook as a corrective .
: A significant portion of the handbook is dedicated to conservation and preservation . Mayer taught artists how to think in terms of centuries rather than months by explaining how lightfastness, structural stability, and chemical compatibility affect the life of a painting. materiales y tecnicas del arte ralph mayer pdf
: Coverage of synthetic media such as acrylics , which were added in later revised editions. Before Mayer (1895–1979)