0 NEcolor medium ALL lighting needs The for Tough, heat-stable Roscolar was originally introduced as a special color medium for the new hot quartz lights. When the range was expanded to the full 52-color theatrical spectrum, lighting designers began standardizing on Roscolar as the one color medium for ALL applications. Rugged, heavy-gauge Roscolar may be used on many lights without framing. Convenience and long life under stress make Roscolar the best value for most of today's lighting situations. A Roscolar swatch book is yours FREE for the asking. roscoar ROSCO LABORATORIES. INC .. 36 BUSH AVENUE. PORT CHESTER. NEW YORK 10573 38 ~ THEATRE DESIGN AND TECHNOLOGY DECEMBER. 1973