Open gas all up. Yellow and salmon limes. When Melita enters all go white. White limes on Orfeo, when he enters through temple. White on Eurydice when she enters. Darken when Pluto enters. All up when Pluto exits. Rose limes when garlands round ladies' waists, go to yellow and salmon. Darken when Pluto enters. Red limes on Pluto and Spirit. Lights up when they exit. Colours in vase. Blue on Melita in her solo. Red on Spirit and when they enter prompt side. Grey limes on Eurydice, as she dies. Red limes on Spirit when he throws off cloak. Stage suddenly dark. Gas battens and limes slowly up. Strike all gas lenghts. Pink or Rose on Hymen as she enters. Darken slowly at back, as gauzes descend. Blue float, second scene. Blue limes on cloth and gauzes. Grey limes on Eurydice behind cloth. Off when backings down. Prepare for change. Open third scene. Red limes and gas lenghts. Lightning flashes. Grey limes on Eurydice as boat enters. All white when procession starts. Darken stage, and white limes on Orfeo as he enters. Lightning flashes and thunder when Spirit tries to take lyre from Orfeo. When ballet approaches Orfeo, white. Pale blue on Eurydice as she comes down stage. Darken, and red limes as Orfeo takes Eurydice away.
(For the lightning of this ballet, the Empire employed seven electricians, thirty lime-light men, and twelve gas-men.)____________________