power-source

Updated: May 4, 2025

Sachiko and Penrose, poking into it, found the switches still on; the machine had only ceased to function when the power-source, whatever that had been, had failed. The middle basement had also been used, at least toward the end, for storage; it was cut in half by a partition pierced by but one door.

H. Beam Piper - Omnilingual

Came simultaneous questions and explanations. "Their power-source is very probably the intra-atomic energy of iron; and if so, much remains to be done before I can proceed with my plan. I must have the most powerful structure in the known Universe before I can act. In the light of what I have just learned, the loss of the planetoid is but a trifle."

E. E. (Edward Elmer) Smith - Triplanetary