Fletcher Pratt,
The Onslaught from Rigel — Chapter XXII: The Great Conflict
(1932)
“ Trees fell in crashing ruin as lightning-bolt or infra-sound shivered them to bits; great cars of burned earth and molten rock marked the spots where the gravity-beam struck the ground. All round was a maze of yellow rays, lightning flashes, and green globes that reeled, rose, fell, sometimes blowing up, sometimes giving ground, but always fighting back sternly and vigorously and always rising through the clear spring evening. ”
