 All of the following factors reveal that the Cosmic Express is in the initial stages of development EXCEPT for
The Cosmic Express By JACK WILLIAMSON Introduction by Sam Moskowitz The Cosmic Express is of special interest because it was written during Williamson's A. Merritt "kick," when he was writing little else but, and it gave the earliest indication of a more general capability. It is especially important because it stylistically forecast a later trend to accept the background for granted, regardless of the quantity of wonders, and proceed with the story. The Cosmic Express." "But the method, in the new Cosmic Express, is simply to convert the matter to be carried into power, send it out as a radiant beam and focus the beam to convert it back into atoms at the destination."
 the lack of micrometer readings
 the qualifications of the operating staff  the limited number of receiving stations  the disappearance of Violet  the lack of micrometer readings