“Who is speaking there—?” he asked. “What lousy swine is speaking there—?”

“Open the door, Grot....”

“The devil I will—!”

“... and give up the machine!”

“The machine—?” said Grot, “the—my machine?

“Yes,” said the quiet voice.

The guard of the Heart-machine began to shake. His was a quite blue face, in which the eyes stood like whitish balls. The mob, which was throwing itself, as a buffer, against the ringing door yelled, hoarse with yelling:

“The machines must die—to Hell with them!

Death! Death! Death to the machines!”

“Who is speaking there?” asked the man, so loudly that his words were a scream.