The chromatic scale Archie Frazer-Nash View of Salters' Hall

View of Salters' Hall

Studies of native Australian tools

Views of the exterior of the chapel (top) and its ambulatory and stairs

facing right

The chromatic scale Archie Frazer-Nash View of Salters' HallChromatic scale of colours arranged as a chart. Sowerby's accompanying text provides a nomenclature for 63 colours divided into primaries of yellow, blue and red: with binary colours (blends of two primaries) and ternary colours (combinations of three primaries). Sowerby considered this might be useful to artists and considered that in primary colours 'Gamboge is most perfect yellow, used in water colours Carmine, most perfect when good Prussian, or