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HIGH INTENSITY PROJECTION
There is a High Intensity Lamp, or D.C., for every theatre, large or small.
There is a National Projector Carbon for every Projection Lamp.
THEATRE patrons desire enough supplementary lighting for comfortable vision from the moment of entrance. They are annoyed when a dark theatre compels them to stumble and grope blindly for their seats.
High Intensity Projection permits ample side lighting for a comfortable level of general illumination. It improves the quality of black and white projection and brings out the full beauty and realism of color productions.
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INSTALL HIGH INTENSITY LAMPS IN YOUR THEATRE
They Insure Sustained Patronage
NATIONAL HIGH INTENSITY PROJECTOR CARBON COMBINATIONS
D.C., High Intensity Lamps — Condenser Type
NATIONAL
Amperes
Positive Carbon
Negative Carbon
120-130 140-160
13.6 mm. x 22 " National High Intensity White Flame
16 mm. x 20" National High Intensity T\ hite Plame
H'orA'x9" National Orotip Cored Projector
ys" x 9" Extra Heavy Coated, National Orotip Cored Projector
D.C., "High-Low," Reflector Arc Lamps
60-85
9 mm. x 20" National
"High-Low" White Flame
A" x 6" or 9" National Orotip Cored Projector
D.C., High Intensity Lamps with Non-rotating Positives
42-50 56-65
7 mm. x 12 " SUPREX Cored
8 mm. x 12 " SUPREX Cored
6 mm. x 9" SUPREX Cored 6.5 or 7 mm. x 9" SUPREX Cored
A.C., High Intensity Lamps
60-65 7 mm. x 12 " National Copper Coated A.C. High Intensity 75-80 8 mm. x 12" National Copper Coated A.C. High Intensity
CARBONS
NATIONAL CARBON COMPANY, INC.
Carbon Sales Division, Cleveland, Ohio Unit of Union Carbide [I | g | and Carbon Corporation Branch Sales Offices
New York •:• Pittsburgh •:• Chicago * San Francisco