DEATH VALLEY DAYS.

DRAGONFLY. Thorne Films. 4 min., si., color, Super 8 mm. Loop film. © Thorne Films, Inc.; 1Dec70; MP21476.

DRAKESTAIL. See

CHILDREN'S FOLK TALES.

DRILL PRESSES & LATHES. See

SHOP SAFETY.

DRILLING COMPRESSED CUBE. Thorne Films. 4 min., si., color, Super 8 mm. Loop film. (Acrylics, no. 710) © Thorne Films, Inc.; 1Dec70; MP21304.

DRILLING, TAPPING AND THREADING. See

METALWORKING.

DRIVING--OR DRIVEN? Aetna Life & Casualty. 15 min., sd., color, 16 mm. © Aetna Life & Casualty; 5Mar71; MP21402.