Finding by W.D.F.'s video: A Man Named Douglass - Leon F Douglass - Color Film Pioneer

Here is a great documentary about inventor Leon Forrest Douglass (March 12, 1869 – September 7, 1940). He an American inventor, co-founder of the Victor Talking Machine Company, and a pioneer in the development of color film, developing the first natural color 2-strip film process. Selection of inventions: 01) Slot attachment for phonograph (1889) 02) Spring-mounted motor to eliminate storage batteries in Edison phonographs (1891-1893) 03) Duplication process for phonograph cylinders (early 1890s) 04) Semi-cabinet, stand, record cabinet for phonograph (September 1903-December 1904) 05) First successful subtractive color movie process (1916) 06) Triple-scene dissolve movie camera (1921-1922) 07) Spring-actuated cigarette lighter (1924) 08) Zoom lenses 09) Anamorphic lens for wide-angle filming 10) Special-effects movie cameras 11) Underwater cameras 12) Underwater flashlight If you would like to see more videos please consider making a donation: https://www.patreon.com/finding