OPEN MOLD CASTING. Thorne Films. 3 min., si., color, Super 8 mm. Loop film. (Polyester resins, no. 711) © Thorne Films, Inc.; 1Dec70; MP21297.
OPEN SENTENCE AND PLACE HOLDERS. See
MODERN MATHEMATICS 1 & 2.
OPERATION BLIND DOCTOR. See
WALLY: HIS WORK AND HIS LOVES.
OPERATION CONTROL. Cockrell Corp. Made by Dale Anderson Productions. 42 min., sd., color, 16 mm. © Cockrell Corp.; 26Aug70; MP21098.
OPERATION SHANGHAI. Universal Pictures Co. 1 reel, sd., color, 35 mm. (A Walter Lantz Chilly Willy cartune)
Credits: Director, Sid Marcus; story, Homer Brightman; animator, Les Kline; music, Walter Greene; voice, Ray Huffine.
© Universal Pictures Co., Inc.; 1Jan66; LP38892.
OPERATIONS AND THEIR PROPERTIES. See