(The factory WHISTLE blows. Mob VOICES start.)
Domin. The factory whistle! (Fabry, Gall, Hallemeier looking over C.; then turn R.)
Busman. Noon?
Domin. (Looking at his watch. To Hallemeier) No! That’s not noon yet. That must be—that’s— (Front.)
Helena. What?
Domin. The Robots’ signal—the attack!
(Helena clings to Domin. Fabry and Gall close the steel shutters on window C. Busman hurries to window and looks through the shutters. The Curtain falls quickly with Helena in Domin’s arms. The WHISTLE blows until the Curtain is down.)
CURTAIN