Book, An Exposition of English Insects, 1776
Moses Harris, an artist and entomologist (insect specialist), designed one of the earliest organized color systems as a tool to help naturalists identify insect species. His early color wheel is based on the three “prismatic” (primary) colors: red, yellow, and blue.
It is credited
Smithsonian Libraries, QL482 .G7H315 1776.
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Its dimensions are
H x W (open): 30 × 46 cm (11 13/16 × 18 1/8 in.)