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AMATEUR MOVIE MAKING 123
Diffuser — Ground pyrex glass integral with casing Tilt — Vertical or 30 degree tilt Operation — Automatic for five minutes Case — Metal, black crystallized enamel. Arcs completely enclosed and dustless. Entire front hinged Connecting cord supplied
THE WOHL DUPLEX JUNIOR
Size— In case about 23 x 12 x 8
Weight — Complete 26% pounds
Height of Stand — 6% feet, maximum
Type — Twin arc
Voltage— 100 to 125 A. C. or D. C.
Amperes, D. C. — 10 and 20
Candlepower — 18,000 maximum
Upper Carbon — 10 m/m x 10 inch star core, white
flame
Lower Carbon — 10 m/m x 4 inch star core, white flame
Diffuser — Tracing linen 20 x 20 inches
Cord — 20 feet cable with connector
Operation — Approximately 4 minutes burning after
arc generation. AUTOMATIC WOHLITE
This is a fully automatic arc lamp of the highest type
and is a general favorite with advanced amateurs, amateur producers and industrial cinematographers.
Size— In case 23% x 14 x 8V2
Weight — Complete, 36 pounds
Height of Stand — 6V2 feet maximum with folding
stand
Type — Twin-arc in series
Voltage— 100 to 125 A. C. or D. C.
Amperes — 10 or 20
Candlepower — On high amperage, 18,000
CARBONS — 10 m/m., x 10 inch for upper, same 4 inches
long for lower, both star core, white flame
Diffuser — 20 x 20 inch tracing linen
Reflector — 9 x 9 inch
Operation — Fully automatic from arc generation until
carbon is consumed. THE HALLDORSON CINEMA ARC LAMP
This lamp is made by the well known firm of Hall
dorson. It is their arc lamp made for amateur use particularly.