In August 1900, after a brief period working in Philadelphia for the Berliner Gramophone Co., which was closed by a legal action, Douglass agreed to go into business with Eldridge R. Johnson, who owned a machine shop in Camden, New Jersey and had supplied machines to Berliner.
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In 1932, at the invitation of the Smithsonian Institution, Douglass participated in a scientific expedition off Easter Island, where he filmed at depths up to 1,500 feet using his submarine cameras and also an underwater “flashlight” that he also patented.
Edison, Bettini, Leon Douglass and others solved this problem (partly) by mechanically linking a cutting stylus and a playback stylus together and copying the "hill-and-dale" grooves of the cylinder mechanically.
Hodkinson soon joined Raymond Pawley to start Superpictures Incorporated in November 1916, and was the producer for the Leon F. Douglass color feature film Cupid Angling (1918).
Leon Trotsky | León | Kings of Leon | Frederick Douglass | Nuevo León | Leon Russell | León, Guanajuato | Jean-Léon Gérôme | Kingdom of León | Leon | Saint-Pol-de-Léon | Leon René | Leon Lai | Léon Blum | Leon Redbone | León, Nicaragua | Angelu de Leon | Province of León | Leon County, Florida | Leon Battista Alberti | León, Spain | Leon Panetta | Kings Of Leon | Juan Ponce de León | André Leon Talley | Oscar D'León | Leon Ware | Leon Morris | León Gieco | Leon Dewan |
The film was produced by Leon F. Douglass's National Color Film Company in the Lake Lagunitas area of Marin County, California, and was made in the Douglass Natural Color process, the only feature film made in this process.
She appeared in an early color feature film Cupid Angling (1918) made in the Natural Color process invented by Leon F. Douglass, and filmed in the Lake Lagunitas area of Marin County, California.