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1954-55 Theatre Catalog, 12th Edition, Page 190 (154)

1954-55 Theatre Catalog, 12th Edition
1954-55 Theatre Catalog
1954-55 Theatre Catalog, 12th Edition, Page 190
Page 190

1954-55 Theatre Catalog, 12th Edition, Page 190

Lighting Indoor and Outdoor Theatres

Thorough Study of Various Types of Reflector and Projector Floodlightng Lamps, and How They May Be Used In A Theatre

BRIEF: The old adage . . . don,t hide your light under a bushel . . . certainly applies to the operator of conventional or drive-in theatres . . . Proper lighting is of vital importance in the normal operation of any theatre.

This article Ofers the reader a comprehensive analysis of the complete line of reflector and projector spotlighting and floodlighting units presently available . . . Each type is discussed in terms of its application to a particular area of the theatre . . . There are portions of the article devoted to entrance lighting . . . marquee illumination . . . auditorium lighting . . . lounges . . . etc.

There is information on how proper floodlighting can. help to direct tramc into and around the outdoor theatre . . . as well as to place emphasis on the concession buildings and play areas . . . A good deal of attention is given to the use of colored lamps . . . and how they may be best put to use in the motion picture theatre.

Theatres were among the first to use the reflectorized spot and flood lamps after their introduction in 1938. Inside, it was the R-40 spot and flood lamps; to put light on A-boards, vending machines, and other selling areas. Outside, it was the PAR-38 spot and flood lamps;


Lamp Division. General Electric Co.

for banners, parking lots, and exits and alleys. During and since the war a number of new types of projector and reflector lamps have been developed. With all of the innovations since 1945, it may be that some theatremen havenlt had an opportunity to become acquainted with all of these new lamps. These lamps are all lighting tools which the theatre operator has at his disposal and which can be used to great advantage.

Reflector and projector lamps are selfcontained spotlighting and floodlighting units. The principal advantages of these lamps are compactness, convenience, long life, and a protected refiector. When a refiectorized lamp is replaced, its refiector and lens are also automatically replaced. This assures original performance. The 2000-hour average rated life assures low-maintenance costs. While the reflectorized lamps do have definite advantages in many applications, there are some theatre applications where the adjustability of beam size obtained with conventional spotlighting equipment is needed.

REFLECTOR LAMPS may be used to emphasize the posters and other displays. as well as help to give theatre from bright cheerful appearance.



Reflector lamps have bulbs that are formed by blowing the glass into molds. After frosting, a coating of silver is evaporated onto the inside surface of the bulb. The beam pattern depends on the contour of the reflecting silver surface and the density of the frosting applied to the bulb. Spotlight bulbs are frosted lightly, this is the reason that the filament is clearly visible when the lamp is unlighted. The fioodlamp bulbs are heavily frosted, making it difficult to see the filament when unlighted. Both the spot and fiood lamps provide a soft edge beam of light.

The smallest reflector lamp is the 75watt R30. It is available with either spot or flood distribution. The size of this bulb makes it ideal when more light is needed, particularly when the space for the lamp is limited and a larger lamp or larger equipment will not fit. The more familiar l50-watt and 300watt (R-40) reflector spot and flood lamps are not new, but new uSes constantly come to light.

Various Types

In addition to the regular glass redector lamp, there are also 150, 300, and 500-watt lamps with heat-resistant glass bulbs. These lamps are similar to the regular reflector lamps in physical ap<

1954-55 Theatre Catalog, 12th Edition, Page 190