. Transactions of the Society of Motion Picture Engineers (1921). -a unique way of solving the a bright illumination. In installations of this character, boxes shouldbe located a sufficient distance from the ceiling to produce an evenbrightness over the ceiling area. By working the lighting units into the decorative elements ofthe room, all lamps are entirely hidden from view, yet the interioris illuminated by means of equipment which appears to be a decora-tive feature rather than a lighting fixture. Another method which offers great possibilities in the lighting 65 of theatre auditorium is i
. Transactions of the Society of Motion Picture Engineers (1921). -a unique way of solving the a bright illumination. In installations of this character, boxes shouldbe located a sufficient distance from the ceiling to produce an evenbrightness over the ceiling area. By working the lighting units into the decorative elements ofthe room, all lamps are entirely hidden from view, yet the interioris illuminated by means of equipment which appears to be a decora-tive feature rather than a lighting fixture. Another method which offers great possibilities in the lighting 65 of theatre auditorium is illustrated in Figure 15. This balcony viewshows that considerable ingenuity has been used in concealing lampsand reflector equipment along the front of the balcony rail. To oneseated in the balcony no lamps are visible and yet the auditoriumis flooded \vith diffused illumination. AMien viewing the balconyfrom the stage it is not at once apparent that the projecting compart-ment has been added so well does it lit into the architectural treat-ment of the Fig. 15—An auditorium in which an unusual lighting method has been employed-units are concealed in the balcony front. Special Lighting Features Many of the larger theatres are providing special arrangementswhereby a flood of light can be concentrated upon the orchestraduring the overtures and other special musical numbers, ^^ith theauditorium light subdued the orchestra is brought out in bold con-trast to the surroundings tending to keep the attention of the audi-ence upon the musical number. An example of an orchestra pitlighted in this manner is shown in Figure 16. The methods for pro-ducing this concentration of light are various. Sometimes projectorsare concealed above the ceiling, the light beams coming throughan opening. \\hen the orchestra pit is well back under the prosce-nium arch the units are placed among the borders. 66 In many theatres a feature is made of the hghting of theproscenium arch in order to bring
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