Attractive Ray - first use of idea?
A beam of radiation that pulls.

Death-Beam
Ravening pale beams of light used in space battles.

De-atomizing Ray - a disintegration beam
Beam of energy causes matter to fly apart.

Gravity-Screen
A device that shields an object from the effects of gravity.

Hall of the Council
An enormous council chamber, fit for a galaxy.

Heat Transmitter - warmth to outer planets
Device which captures solar energy close to the source and then beams it in concentrated form to outer planets.

Meteorometer - meteors ahead!
A device that warned space ships in flight about oncoming meteors.

Meteor-Sweeps
Maneuver to chase down and destroy meteor showers that threaten celestial navigation.

Pain Ray - pain by nerve induction.
Creates pain by nerve induction.

Private Space Cruiser
A fully space-worthy ship under private ownership.

Space Buoy
A marker in space.

Space-Lanes - like the space-ways
Well-traveled routes through outer space.

Steering a Star - driving a sun
Steering a star, altering its path, taking it to a new location.

Telechart - the one indispensable aid
An interactive metal plate upon which were displayed celestial objects for interstellar navigation.

Telestereo - earliest reference to holograms?
A disk, upon which the projected image of the distant sender appears.

Vibration-Propelled Cruiser - waves in spacetime
A spacecraft with a propulsion system relying on waves in spacetime itself.