Shockpistol is misspelled in the first world balloon.
Information for this sequence from Arthur Lortie.
This feature contains two text articles:
1. Discovery of the Planet Vulcan!
2. The Law of Space!
The two main characters, Emmett Hamilton and Ray Bradford, are thinly disguised tributes to science-fiction writers (and Julius Schwartz clients) Edmond Hamilton and Ray Bradbury.