This category denotes Martian technology.
“The ninth ray is one of the rays of sunlight. It is considered to be the most mysterious form of...Ninth Ray
“A method of communication, discovered by Earth inventor Jason Gridley, allowing for two-way...Gridley wave
“The Eighth Ray, also known as the anti gravity ray, is one of the rays of all forms of light...Eighth Ray
“The atmosphere factory is a large and highly-guarded facility maintained by Helium. It is...Atmosphere Factory
“The destination control compass was an advanced piece of barsoomian technology pioneered by...Destination Control Compass
This category has only the following subcategory.
- [×] Airships (3 P)