Lesson plan
Raycol
Raycol was a two-color additive film color process developed by the chemist Anton Bernardi in 1929. It was used by Maurice Elvey to film The School for Scandal, but was commercially unsuccessful. It used frames shot through red and blueish-green filters, which were recorded on standard black-and-white film stock, and projected with red and white light respectively. It was covered by British patents 329,438 and 335,038.
Article summary
Raycol was a two-color additive film color process developed by the chemist Anton Bernardi in 1929. It was used by Maurice Elvey to film The School for Scandal, but was commercially unsuccessful. It used frames shot through red and blueish-green filters, which were recorded on standard black-and-white film stock, and projected with red and white light respectively. It was covered by British patents 329,438 and 335,038.
Key claims
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Discussion questions
- Summarise the article in your own words. Which single claim would you verify first, and why?
- Which claim in this article is most likely to be revised as the sources update? How would you check its current status?
- If two sources disagreed about one of these facts, what would you need in order to trust one over the other?
Bibliography
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Key claims and bibliography are generated from the same tracked claims and sources as the article page.