Polarised Light Issue Title Is Help Yourself (1944)

Part of issue HELP YOURSELF. Pathe Studios, London. Various shots of cameraman and studio technician adjusting lighting in studio to prevent glare. Various diagrams showing how light waves reach human eye from light source. Various diagrams showing how crystal discs or glass plates can polarise light rays and banish glare. Various diagrams showing how this principal is used in lighthouses. Diagrams are by Joe Noble. FILM ID: A VIDEO FROM BRITISH PATHÉ. EXPLORE OUR ONLINE CHANNEL, BRITISH PATHÉ TV. IT'S FULL OF GREAT DOCUMENTARIES, FASCINATING INTERVIEWS, AND CLASSIC MOVIES. FOR LICENSING ENQUIRIES VISIT British Pathé also represents the Reuters historical collection, which includes more than 136,000 items from the news agencies Gaumont Graphic (1910-1932), Empire News Bulletin (1926-1930), British Paramount (1931-1957), and Gaumont British (1934-1959), as well as Visnews content from 1957 to the end of 1984. All footage can be