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AMATEUR MOVIE MAKING 119
tually be placed in an ordinary coat pocket. It is made not unlike a metal cigarette case, with a fibre back. When closed the lamp itself measures 4 x 5 x % inches. It is provided with a long connecting cord. When opened, the lamp measures over all projections including fresh carbons, 4 x 5% x 6 inches. The carbons are cored, white flame photographic carbons, arranged parallel to each other. These carbons are 5/32 x2y2 inches, about the size of the lead in a drawing pencil.
The resistance used is a separate unit which measures 2% inches in diameter by 3% inches long. The 110 volt house line is connected to the resistance box, and this in turn is connected to the lamp. Special connectors make it impossible to connect the lamp directly to the house line. When the current is on, a red pyralin button is unscrewed from the top of the case and withdrawn. This button holds a piece of carbon about an inch long. This is placed in contact with the points of the two lamp carbons and then removed by pulling downward across the ends of the carbons. This generates the arc. The light is of approximately 5,000 candlepower, at a line pull of 4 to 5 amperes. These lamps may be mounted upon tripods or upon special stands. This lamp is a German product, but is distributed by the Bass Camera Company.
The Minima is purposely made in a small size so that two or more may be used in place of the more usual single lamp. To encourage a more highly professional style of lighting in amateur work, these lamps are offered in special sets of three. This gives a primary light of about 12,000 candlepower for use either as a unit or separated for floodlighting and a third or secondary light for balancing. With these three lights some very good lighting effects indeed can be secured.
These lights are thoroughly dependable and have proven satisfactory in the hands of many amateurs.
Little Sunny Arc. — Another lamp of similar design but greater capacity is the Little Sunny, a Westphalen product. This lamp also uses parallel carbons, but these are 6% millimeter by 10 inch carbons of the white flame photographic type. The lamp folds into a very compact