The painter in oil : a complete treatise on the principles and technique necessary to the painting of pictures in oil colors (1898)
Parkhurst, Daniel Burleigh · Boston : Lee and Shepard · leaf 90
OTHER TOOLS 7s keep it steady if the wind blows hard. The um- brella should be of light-colored material, pref- erably white; but if it is lined with black, the shade will be better, and give no false glow‘ to the color.
Painting
Internet Archive · Getty Research Institute · Public domain (published before 1931). Free to use for anything.