Colour vision [electronic resource] : being the Tyndall lectures delivered in 1894 at the Royal Institution (1895)
Abney, William de Wiveleslie, Sir, 1843-1920, Parsons, John Herbert, Sir, 1868-1957, donor, Institute of Ophthalmology, University College, London. Library Services · London : Sampson, Low, Marston & Company · leaf 144
128 Colour Vision. trumwas taken (page 227), and when compared with the curve of normal luminosity, it became evident that in Fig. 32.
Ophthalmology · Eye · Color vision · Color Perception
Internet Archive · UCL Library Services, University College London (UCL) · Public domain (published before 1931). Free to use for anything.
![An illustration from Colour vision [electronic resource] : being the Tyndall lectures delivered in 1894 at the Royal Institution, 1895, leaf 144](https://img.insideoutlibrary.com/img/1024/ia-b21285913-144-0.webp)
