A nomenclature of colors for naturalists : and compendium of useful knowledge for ornithologists (1886)
Ridgway, Robert, 1850-1929, Wetmore, Alexander, 1886-1978 former owner. DSI, John Wilson and Son, printer · Boston : Little, Brown and Company · leaf 138
vermilion + madder carmine.Blue — ultramarine.The secondaries, however, are not all of them produced by the mixtureof the pigments used as primaries, the orange being orange cadmium, andthe purple, aniline violet. This is necessary on account of the impurity ofthe red. II. — Secondary Combinations.… … Blue II._ Secondary Combinatio us. Purple N Orange
Birds · Ornithology · Color
Internet Archive · Getty Research Institute · Public Domain Mark 1.0. Free to use for anything.
![An illustration from Mystic Masonry, or, the Symbols of Freemasonry and Greater Mysteries of Antiquity (1911) [Supplemental Harmonic Series] (1911)](https://img.insideoutlibrary.com/img/200/ia-mysticmasonryors00buck-297-6.webp)
