Spectra from light shone through prisms Finish:Stretched The plate was printed with

The plate was printed with an English extract of the letter in Philosophical Collections ed

or I shall Quarrel

Figure 3 Tumour hanging from its 'nutritive vessels'

the feathers round the beak

the table covered by a blue cloth with a patterned edge

Spectra from light shone through prisms Finish:Stretched The plate was printed withOptical diagrams showing light shone through prisms and the resulting spectral patterns. Four figures numbered 15a 15b and 16a 16b. Plate 8 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,