Which 1810 book mentioned Jeremias Friedrich Gülich?
Jeremias Friedrich Gülich: Jeremias Friedrich Gülich was a dyer in the neighbourhood of Stuttgart: he published "Complete Dyeing and Bleaching Book" an elaborate 6 Volume work on the technical details of dying. Theory of Colours:  Published in 1810, it contains detailed descriptions of phenomena such as coloured shadows, refraction, and chromatic aberration.
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