Explanatory notes
… or scrap. 2.- In this Chapter the word “photographic” relates to the process by which visible images are formed, … photon (or photo) sensitive materials, i.e., radiation of wavelength no longer than approximately 1,300 nanometers in the electromagnetic spectrum (including gamma-rays, X-rays, …Legal note
… or scrap. 2.- In this Chapter the word “photographic” relates to the process by which visible images are formed, …