Spectra from light shone through prisms Size:S: 30 x 25cm 25th March 1940

25th March 1940

Inscribed with figure numbers and bottom right 'W

A woman picks up her petticoats to step over a bush shaped like a forest tree to get to her garden latrine

Delta and the Bannermen

Spectra from light shone through prisms Size:S: 30 x 25cm 25th March 1940Optical diagrams showing light shone through prisms and the resulting spectral patterns. Four figures numbered 7 8 and 17 18. Plate 3 from the monograph 'Merkwurdige phanomene an und durch verschiedene prismen: zur richtigen wurdigung der Newton'schen und der von Gothe'schen farbenlehre', [Remarkable phenomena at and through different prisms to correct Newton's and Goethe's theories of colours] by Johann Friedrich Christian Werneburg (Nuremberg,