1D Diamond Crystal - might be a carbon fullerene molecule
A continuous pseudo-one dimensional diamond crystal- maybe a nanotube?

The Fountains of Paradise (1978)

Asymptotic Drive
A propulsion drive that used a tiny black hole to generate energy.

Imperial Earth (1976)

Automatic Control Car
An autonomous vehicle.

Imperial Earth (1976)

Beeper
A handheld radar set, used to find items that have drifted off.

Islands in the Sky (1952)

Biot
A biological robot.

Rendezvous With Rama (1972)

Broomstick - move in space
Device to ease movement in a zero-gravity environment.

Islands in the Sky (1952)

Central City (Lunar Habitat)
An early example of a non-military lunar habitat.

Earthlight (1955)

Central Computer
A computer capable of running an entire city.

The City and the Stars (1956)

Comsole (Home Communications Console)
A home computer, connected to data services.

Imperial Earth (1976)

Control Screen
An alien display device.

Childhood's End (1953)

CORA - Coronary Alarm
An implanted (or worn) ECG monitor that warns the user of coronary events.

The Fountains of Paradise (1978)

Cutoff Switch - a cable guillotine
A means of instantaneously switching off an artificial intelligence.

2010: Odyssey Two (1982)

Cylinder Space Suit
A mostly rigid, cylindrical space suit.

Islands in the Sky (1952)

Diaspar Memory - everyone gets a copy
The city's memory could store works of art, and reproduce them upon request.

The City and the Stars (1956)

Dragonfly Sky-Bike
An ultralight human-powered flyer.

Rendezvous With Rama (1972)

Dust-Cruiser
Specialized lunar transport able to negotiate dust-filled craters on the Moon.

A Fall of Moondust (1961)

Dust-Ski - ski-doo for lunar powder
Special vehicle adapted for quick travel over powdered lunar soil.

A Fall of Moondust (1961)

Electronic Image Intensifier
Much more sensitive than the human eye.

A Fall of Moondust (1961)

Electrosecretary - automatic transcription machine
An automatic transcription device.

A Fall of Moondust (1961)

Emergency Shelter
A small cubicle that provides a last refuge in case the spacecraft's atmosphere is lost.

2001: A Space Odyssey (1968)