Thank you, Bob! I had fun with the collection. It was interesting to see less patient people (young kids) or moving objects (water, leaves) sort of deconstruct into primaries. Amazingly high-tech stuff for 1910!
It would be interesting to reproduce the technique in a math club. Color formulas are fun for kids and there are a lot of techy toys around color, such as Google Image search by color or more advanced/more beautiful Multicolr
http://labs.ideeinc.com/multicolr/
Cheers,
Maria Droujkova
Make math your own, to make your own math.