Rosco Supergel  (1981?)
Rosco

Rosco Supergel swatch (1988)

"An engineered range of body-colored, polycarbonate filters that provides optimal performance on hot lights" 
Website: https://emea.rosco.com/en/products/catalog/supergel

Documents

LSI: Choosing Colours (January 1987)
[323kb PDF]
From Lighting & Sound International

CCT Price List - page 7 (December 1990)
From Jim Laws Collection

Catalogue & Journal Entries for Rosco Supergel in the Backstage Heritage Collection

Advert: Supergel (1981)

Advert: Rosco Supergel (Try this simple test on any other gel) (1985)

Advert: Rosco Supergel (1989)

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