Note 10 — Chapter XIX

As a matter of actuality, Tugh was carrying hidden upon his person a small cylinder and battery of the deadly white-ray. It seems probable that although on the catwalk—having accomplished his purpose of getting within the electrical fortifications of the dam—Tugh had ample opportunity of killing his over-trustful companions with the white-ray, he did not dare use it. The catwalk was too dark for their figures to be visible to the Power House guards; the roar of the spillways drowned their shouts; but had Tugh used the white-ray, its abnormally intense actinic white beam would have raised the alarm which Tugh most of all wanted to avoid.