of 88 colors: The widest range of gel colors ever offered. Totally saturated throughout a tougher, more heat resistant base. That's the new Roscolux, in a superrange of 88 colors. From the traditional theatre standards like Bastard Amber and Surprise Pink, to the latest "quartz" colors. New Roscolux is designed to be used on tvery theatrical lighting instrument, right up to the hottest of the new quartz lights. Because the color is an integral part of the base, Roscolux is the one medium that offers high heat stability in every color. Roscolux outperforms all other media. Write for a free sample and a free swatch book showing all 88 colors. You'll prove it to yourself. 36 Bush Avenue, Port Chester, N.Y. 10573 * (914) 937-1300 * Telex: 131472 1135 North Highland Avenue. Hollywood, California 90038 * (213) 462-2233 * Telex: 691123 69/71 Upper Ground, London SE 1 9PO * 01-633-9220 * Telex: 21120 ref: 1603