Steadily they smashed the mensurate battlements, in blackness beyond night and darkness without stars. Yet Mr. Wordsley, the engineer, who was slight, balding and ingenious, was able to watch the firmament from his engine room as it drifted from bow to beam to rocket's end. This was by virtue of banked rows of photon collectors which he had invented and installed in the nose of the ship. And Mr. Wordsley, at three minutes of the hour of seventeen over four, tuned in a white, new star of eye-blin