At top, the blue base (Saxon blue process) and Strasbourg green. The samples in the second row were used to test the inventor's claim that ink and oil were easily removed. The two lower samples were each subjected to standard tests for color quality, boiling in soap and in alum.

From The creation of color in eighteenth-century Europe by Sarah Lowengard

Creator(s)
Subjects
  • European: 1400-1800
Citable Link
  • Jean Hellot, Report on Roederer's saxon green, 1 January 1750. At top, the blue base (Saxon blue process) and Strasbourg green. The samples in the second row were used to test the inventor's claim that ink and oil were easily removed. The two lower samples were each subjected to standard tests for color quality, boiling in soap and in alum.