Note 5 — Appendix II THE POSSIBILITIES OF A STANDARD LIGHT AND COLOUR UNIT.[5]
Reading edition
Reprinted from the Journal of the Society of Dyers and Colourists, March, 1913. No. 3, vol. xxix.
Reading edition
Reprinted from the Journal of the Society of Dyers and Colourists, March, 1913. No. 3, vol. xxix.