Pigmentum nugrum, the black colouring matter contained in hair and feathers
By: by W. R. Hodgkinson and H.C. Sorby.
Contributors: Sorby, Henry Clifton, 1826-1908.
Publisher: Harrison and Sons
Published: 1877
Place of publication: London
Language: eng
Subjects: Hair.; Colors -- Analysis.; Feathers.
Other titles: Journal of the Chemical Society.
Notes: Reprinted from: Journal of the Chemical Society, April, 1877.