- Author: Clinton Constantinescu Author Record # 251331
- Language: English
- Author Tags: antigravity (1), alkali ray (1), insect race (1), pure proton cloud (1), lightning projector (1), rayograph (1), ultra-cosmic ray projector (1), gravity balancer (1), antigravity repulsion (1), krypton glow tube ray projector (1), quadromomotor (1), magnetic repulsion ray (1), Martians (1), Jupiterians (1), Saturnians (1), Mercurians (1), Venusians (1), Neptunians (1)