The complete world of colors in watercolor, made 200 years ago. Artist Philipp Otto Runge mapped white, black, and the primary colors as poles on a sphere. The circle at the bottom left is a slice through the equator of this imaginary color planet.
A colourful book I encountered this Dutch book from 1692 in a French database today and it turns out to be quite special. For one thing, no Dutch scholar appears to have published on it, or even to know about it. Moreover, the object is special.
Sketchbooks by Mia Christopher. Discovered via Emmadime. I grew up watching my oldest brother draw — he always always had a pen and notebook in-hand and if I was lucky, he would draw something for me during church services.