The design for the robot in this story is based on a robot on the cover of the pulp magazine Amazing Stories (January 1939). (Source: https://martinohearn2.blogspot.com/2023/06/another-comic-design-inspired-by-pulp.html )
Character(s):
The Fantom of the Fair; Mike (factory worker); Jane Benton (steel mill owner); Rusty (disgruntled factory worker); George (villain, Jane's cousin)
Notes:
All Gustavson credits verified and courtesy of Terry Gustafson, Paul Gustavson's son.
"As winter draws near, the World's Fair closes its gates until the spring... the Fantom turns elsewhere in his work of safeguarding human life and upholding justice", the story being set in a steel mill in Pennsylvania.
The true face of The Fantom is shown at the end of this story.