The Mysterious Contragrav
- 1915
- 26m
After many years of hard labor and deep study, Coxheim, an inventor of renown and master of negative electricity, succeeds in inventing an electrical device that resists gravitation. His son... Read allAfter many years of hard labor and deep study, Coxheim, an inventor of renown and master of negative electricity, succeeds in inventing an electrical device that resists gravitation. His son Willard and daughter Laline, both expert aviators, have rendered their father valuable as... Read allAfter many years of hard labor and deep study, Coxheim, an inventor of renown and master of negative electricity, succeeds in inventing an electrical device that resists gravitation. His son Willard and daughter Laline, both expert aviators, have rendered their father valuable assistance in perfecting his invention through their knowledge of air currents. Laline sugge... Read all