But the old faith of the kings, owners, and rulers of the opening twentieth century had faded under the actinic light of scientific criticism. 赫伯特·乔治·威尔斯.世界史纲.
Rivaling the sun in actinic power, and writing its autograph with an unseen hand, it is truly called the X-, or unknown, ray. Edward W. Byrn.十九世纪发明进展.