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Studies in the photometry of lights of different colours [electronic resource] / spectral luminosity curves obtained by the equality of brightness photometer and the flicker photometer under similar conditions
Ives, Herbert Eugene, 1882-1953, Parsons, John Herbert, Sir, 1868-1957, donor, University College, London. Library Services · 1912 · [London : s.n.] · 9 pictures
Ophthalmology · Eye · Light · Color blindness · Color vision · Photometry · Brightness perception · Color Vision Defects
Internet Archive · UCL Library Services, University College London (UCL) · Public domain (published before 1931)
![Picture 1 of 9 from Studies in the photometry of lights of different colours [electronic resource] / spectral luminosity curves obtained by the equality of brightness photometer and the flicker photometer under similar conditions (1912), leaf 56](https://img.insideoutlibrary.com/img/200/ia-b21287569-56-0.webp)
![Picture 2 of 9 from Studies in the photometry of lights of different colours [electronic resource] / spectral luminosity curves obtained by the equality of brightness photometer and the flicker photometer under similar conditions (1912), leaf 56](https://img.insideoutlibrary.com/img/200/ia-b21287569-56-1.webp)
![Picture 3 of 9 from Studies in the photometry of lights of different colours [electronic resource] / spectral luminosity curves obtained by the equality of brightness photometer and the flicker photometer under similar conditions (1912), leaf 57](https://img.insideoutlibrary.com/img/200/ia-b21287569-57-0.webp)
![Picture 4 of 9 from Studies in the photometry of lights of different colours [electronic resource] / spectral luminosity curves obtained by the equality of brightness photometer and the flicker photometer under similar conditions (1912), leaf 58](https://img.insideoutlibrary.com/img/200/ia-b21287569-58-0.webp)
![Picture 5 of 9 from Studies in the photometry of lights of different colours [electronic resource] / spectral luminosity curves obtained by the equality of brightness photometer and the flicker photometer under similar conditions (1912), leaf 60](https://img.insideoutlibrary.com/img/200/ia-b21287569-60-0.webp)
![Picture 6 of 9 from Studies in the photometry of lights of different colours [electronic resource] / spectral luminosity curves obtained by the equality of brightness photometer and the flicker photometer under similar conditions (1912), leaf 63](https://img.insideoutlibrary.com/img/200/ia-b21287569-63-0.webp)
![Picture 7 of 9 from Studies in the photometry of lights of different colours [electronic resource] / spectral luminosity curves obtained by the equality of brightness photometer and the flicker photometer under similar conditions (1912), leaf 65](https://img.insideoutlibrary.com/img/200/ia-b21287569-65-0.webp)
![Picture 8 of 9 from Studies in the photometry of lights of different colours [electronic resource] / spectral luminosity curves obtained by the equality of brightness photometer and the flicker photometer under similar conditions (1912), leaf 75](https://img.insideoutlibrary.com/img/200/ia-b21287569-75-0.webp)
![Picture 9 of 9 from Studies in the photometry of lights of different colours [electronic resource] / spectral luminosity curves obtained by the equality of brightness photometer and the flicker photometer under similar conditions (1912), leaf 83](https://img.insideoutlibrary.com/img/200/ia-b21287569-83-0.webp)