Contrast of Zone lights with illumination in other parts of Exposition.

To left, Service Building, administration offices; coloring, Pinks and blue; ceiling of porch, intense blue, deepest used on grounds.

Corner of Avenue of Palms and Avenue of Progress: lights banners, towers, facades of buildings, walks, flood lights, spots of light and color.

Fairy-like effect of Avenue of Palms: towers look luminous; in early evening Italian Towers red hot, throbbing; glow stronger than Tower of Jewels; later, Tower of Jewels most brilliant spot on avenue.

Tower illumination, floods of light from searchlights; white light creates shadows, in turn illuminated by concealed colored light on various stages, on Tower of Jewels and Italian Towers.

Single light standards along Avenue of Palms, light yellow, dull points of light; contrast with white pearly light on tops of booths.

Avenue of Progress

Along Avenue of Progress: fine flag display; no direct sources of light; banners; beautiful scenes made by planting against walls and quality of green on lawn; daylight effect from luminous arcs which produce whitest artificial light in use.

Gas lights on tops of booths, emergency lights if electricity fails.

Banners and heraldic shields, designed by Ryan; banners, of early explorers and pioneers, heraldic shields related to history of California, Mexico, Central America, and Pacific Ocean.

Purpose of banners: to form beautiful lines of color, to screen eyes from direct light source, to reflect light toward buildings, and to suggest history of court.

Banners suspended, swung by wind, form moving spots of color.

Roman gateway, Palace of Varied Industries: faint light through small arches above doorway; delicate green lattice or grill work in door.

Light in doorways: appearance of life within, produced by reflectors inside palaces throwing light through gla.s.s 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.

Sh.e.l.l 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 cl.u.s.ters, 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 cl.u.s.ters convey to mind religious feeling in keeping with design; cathedral effect.

View of Italian Towers at sides of Court of Flowers, from north court, red glow and green columns of towers on either side of Mullgardt tower, vivid contrast.

To Court of the Universe, through Florentine Court.