An introduction to the study of colour phenomena explaining a new theory of colour based entirely on experimental facts with applications to scientific and industrial investigations (1905)
Lovibond, Joseph Williams · New York, Spon & Chamberlain · leaf 49
isions, and colour equivalence between the different scaleswas as follows. Two slips of red glass in a light shade were made exactlyequal in colour, and considered as initial units, these werethen superimposed and matched by a single glass, which wasthen considered as of two colour units, this and… … FIG 7
Color
Internet Archive · Cornell University Library · Public Domain Mark 1.0. Free to use for anything.
