Light in doorways: appearance of life within, produced by reflectors inside palaces throwing light through glass of doors; new idea; contrast with dark windows of other expositions. Arches of Machinery Palace: warm red glow in domes above; strong yellow through doors below. Inner Court of Mines Leading From Palace of Machinery to Court of Ages Illumination strongest on upper sections of wall; it becomes more subdued as it approaches flowers and lawns, and reaches lowest point on center of avenue; plan used on all avenues. Green lattice work, filling entire main doorway, in harmony with lawns. Single globe lamps placed against walls; only court with lights in this position. Shell lamps, flooding walls with light, advanced method of wall illumination. View of central fountain in Court of Ages: glow of red lights, faint shimmer in pools, steam rising to suggest the earth cooling after being thrown off by the sun. Court of the Ages Court of the Ages: mystery in blending of illumination from searchlights above; lack of direct illumination on court itself; steam cauldrons, with illumination, incandescent lights, gas torches in small serpent cauldrons, lanterns in arches of the arcade that burn around cloister. Fountain of Earth in center of pool, carrying mind down the ages to correspond with architect's conception of court. Steam rising from base of fountain; figures silhouetted in warm red glow; lighter tone of red at upper portion of ball; shimmering reflection of panels, with red background in pool at sides of fountain. Serpent cauldrons, around edge of pool, to heighten weird effect, by the flickering of the gas lamps. Large cauldrons at east and west entrances; effect of simmering molten liquid. Steam used in court, obtained from twenty horse-power boiler under tower. Main tower, only tower without direct light thrown on exterior; religious feeling, increased by candlesticks, two on each side; steam to suggest smoke drifting upward. Reflection of tower in pool, to be seen from south. Cathedral appearance of windows at sides of court, by illumination in warm orange tone from within. Sunburst standards modelled in imitation of snow crystal, and resembling monstrance used in Catholic church; two at south of court; only large light sources in court; contrast with other illumination. Two fairy lanterns in each arch around court. Brangwyn murals lighted without glare by indirect diffusion from four corners. Play of lights along colonnade; lighting on murals adds to apparent distance. North Entrance to Court of the Ages Similar treatment of lights, brighter than in central court; four star clusters, sixteen serpent cauldrons; effect heightened. Tower, more beautiful from Marina side; note of refinement illumination in altar, shadow in two colors, created by red light illuminated by pale amber lights. Star clusters convey to mind religious feeling in keeping with design; cathedral effect.