His mind went back to that strange business of the spiritual force and the even stranger machine which had been built eons ago, by means of which the galactic people were able to establish contact with the force. There was a name for that machine, but there was no word in the English language which closely approximated it. "Talisman" was the closest, but Talisman was too crude a word. Although that had been the word that Ulysses had used when, some years ago, they had talked of it.

Ch. 12 - Way Station (1963)