"And look, fellows, any indication of direction, velocity, or distance?" "Look for yourself," said the man on the beam scanner. "The whole plate is shining. We can't get a fix on them this way--they're radiating themselves and that means our scanner-system finder is worthless." "We can, but it's rough," offered one of the radio men. "It came from an area out beyond Terra--and as for our readings it might have covered a quarter of the sky." "The field indicator is a short-base finder," explained Thomas. "And no less rough than the radio boys. I'd say it was out beyond Terra by fifty million miles at least." "Close enough. We'll have to track 'em down like a radio equipped bloodhound. Chuck, come along and run that mechanico-electro-monstrosity of yours. Gene, you can come along and run the radio finder. Oh, yes, you, Jimmy, may continue to squint through that eyepiece of yours--but on the _Relay Girl_. We need a good, first-class squinter, and you should have an opportunity to help." Jimmy laughed shortly. "The only guy on the station that didn't get an indication was me. Not even a glimmer." "Channing didn't know we'd be _looking_ for him, or he'd probably light a flare, too. Cheer up, Jimmy, after all this crude, electrical rigmarole is finished, and we gotta get right down to the last millimeter, it's the guy with the eye that polishes up the job. You'll have your turn." Twenty minutes after the first glimmer of intelligent signal, the _Relay Girl_ lifted from the south end and darted off at an angle, setting her nose roughly in the direction of the signal. Her holds were filled with spare batteries and a whole dozen replacement cathodes, as well as her own replacements. Her crew was filled to the eyebrows with gravanol, and there must have been a mile of adhesive tape and cotton on their abdomens. At six G she left, and at six G she ran, her crew immobilized but awake because of the gravanol. And though the acceleration was terrific, the tape kept the body from folding of its own weight. When they returned, they would all be in the hospital for a week, but their friends would be with them. Ten minutes after take-off, the signals ceased. Walt said: "Keep her running. Don's saving electricity. Tell me when we pick him up again." Franklen, the pilot, nodded. "We haven't got a good start yet. It'll be touch and go. According to the slipstick boys, they must be clapping it up at between twenty-five hundred and five thousand miles per second to get that far--and coasting free or nearly so. Otherwise they'd have come in. Any suggestions as to course?" "Sure. Whoop it up at six until we hit about six thousand. Then decelerate to four thousand by using one G. We'll vacillate in velocity between four and five until we get close." Forty-one hours later, the _Relay Girl_ made turnover and began to decelerate. * * * * *