Donald A. Wollheim,
The Secret of the Ninth Planet
“ His heart began to beat heavily."We're losing weight," muttered Clyde from his chair, and Burl knew the ship was tensing to take off.The great generators were beginning to push against Earth's gravity and, as their force moved upward to match Earth's, the weight of everything in their sway decreased accordingly. Lockhart's first move was simply that—to reduce the pull of Earth to zero.In a few moments that point was accomplished. A state of weightlessness was obtained within the Magellan. ”
