Talk:Sodium vapor process

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Notes on origin, technical details

In this long article on Ub Iwerks' life and work, search down to "prism" toward the bottom. http://www.geocities.com/side2prod/IwerksFilmFax.htm Jeffreykopp 08:26, 18 December 2006 (UTC)[reply]

Sodium Vapor process could not have possibly been used for the Disney film "Song of the South",as Kodak positive-negative color motion picture film stock was not commercially available prior to 1952.