Chromatic scale, J. Sowerby, A new elucidation of colours.
Licence: Public Domain Mark
Credit: Chromatic scale, J. Sowerby, A new elucidation of colours. Wellcome Collection. Source: Wellcome Collection.
Licence: Public Domain Mark
Credit: Chromatic scale, J. Sowerby, A new elucidation of colours. Wellcome Collection. Source: Wellcome Collection.