Spectra from light shone through prisms Size:S: 30 x 25cm The accompanying text states that:

The accompanying text states that: 'This animal (probably from its size) was the principal one taken notice of in this island

Plate 43 from the book Kunstformen der natur by Ernst Haeckel (Leipzig

Botanical study of Banksia serrata

Inscribed with figure numbers and bottom right 'W

Spectra from light shone through prisms Size:S: 30 x 25cm The accompanying text states that:Optical 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,