Costigan snapped, as he released his screens and threw all his power into one enormous pressor beam.
"Triplanetary"
Edward Elmer Smith
Along that pressor beam there crept a dull red rod of energy, which surrounded the fugitive shell and brought it slowly to a halt.
"Triplanetary"
Edward Elmer Smith
Under the fierce blast of her projectors the vessel leaped ahead, and time after time, as Rodebush hurled her mass upon tractor beam or pressor, the engineers sought in vain for any sign of weakness.
"Triplanetary"
Edward Elmer Smith