CARBON ARC PROJECTION. National Carbon Co., Inc. 1,350 feet.

Summary: Shows what the carbon arc is, how it operates, and why it is the light source best fitted for motion-picture projection and production.

© National Carbon Co., Inc.; title, descr., & 2 prints, 3May48; MU2939.

CARBON ARC PROJECTION. National Carbon Co., Inc., c1948. 38 min., sd., color, 16mm.

Summary: Shows what the carbon arc is, how it operates, and why it is the light source best fitted for motion-picture projection and production.

Credits: Director, Norman Wright; photographer, Winton C. Hoch.

© National Carbon Co., Inc.; 27Aug48; MP4254.

CARBON—BLACK TREASURE.

© Roland Reed Productions; title, descr., & 4 prints, 24Feb45; MU15875.

CARDIO VASCULAR ANOMILES. Wilding Picture Productions, Inc., c1949, 32 min., sd., b&w, 16mm.