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But the fleet that stood guard was small, and was rapidly being destroyed. A fort broke free, and plunged at last for the ray screen. Its relux walls glowed a thousand colors as the tremendous energy of the ray-screen struck them but it was through! A molecular ray reached down for the city and stopped halfway in a tremendous coruscating burst of light and energy.

He's crazier than a loon in most of his hunches, but he's filled four of our biggest gaps. There is such a thing, as a ray-screen, you kill-joy, and there are also lifting or tractor rays two things I've been trying to dope out and that you've been giving me the Bronx cheer on. The Titanians have had a tractor ray for ages he sent me complete dope on it and the Jovians have got them both.

Here in the lower air, where ions would be so plentiful, Thett did not try to break down the screens, for the air would aid the defenders. Finally, as Thett's forces had planned, they came to one of the ionized layer ray-screen stations that was still projecting its cone of protective screening to the layer above.

He had added a third screen-generator, so that now, in addition to the four-foot hull of arenak and the repellers, warding off any material projectile, the Skylark was also protected by an outer, an intermediate, and an inner ray-screen; each driven by the super-power of a four-hundred-pound bar and each covering the entire spectrum capable of neutralizing any dangerous frequency known to those master-scientists, the Fenachrone.

The ray-screen stopped it, while again Morey turned the magnetic beam on this time against the fort. The ray remained on! Arcot retreated hastily. "They found the secret, all right. No use, Morey, come on up," called the pilot. "They evidently put magnetic shielding around the apparatus. That means the magnetic beam is no good to us any more.

I'd thought of setting up three or four courses of five-ply screen on the board a detector screen on the outside of each course, next to it a repeller, then a full-coverage ether-ray screen, then a zone of force, and a full-coverage fifth-order ray-screen as a liner. Then, with them all set up on the board, but not out, throw out a wide detector.

Your deducer is hitting on all eight, as usual. That big ray is hot stuff, and their ray-screen is something to write home about, too." "How can their rays be any hotter than ours, Dick?" Dorothy asked curiously. "I thought you said we had the very last word in rays." "I thought we had, but those birds we met back there spoke a couple of later words.

Upon the outer ray-screen, flaming white into incandescent defense, the furious bolt spent itself, and in the instant of the launching of the searing blade of flame, Brandon had gone into action. Switch after switch drove home, and one after another those frightful fields of force, those products of the mightiest minds of three planets, were hurled out against the tiny Jovian sphere.

"I'm going to hustle some workmen to installing the biggest spare power board I can get into the storerooms of the Ancient Mariner, and pack in a ray-screen. It will be useful. Let's move." "Our ship," said Zezdon Afthen, "will land in three of your hours." The Ortolians were standing on a low, green-clad hill.

Each energy release disrupted the ray-screen for a moment, and the concentrated fury of the molecular beams poured through the opened screen, and struck the relux behind. It glowed opalescent now in a spot twenty feet across. But the relux was tremendously thick. Thirty bombs Morey hurled, while they held their position without difficulty, pouring their bombs and rays at the fort.