Artificial Silk
A fabric like silk produced entirely without silkworms.

In the Deep of Time (1897)

Electric Bicycle
A two-wheeled device utilizing stored electricity as motive power.

In the Deep of Time (1897)

Glow-Worm Living
Alternated work, play and slumber without long periods of sleep.

In the Deep of Time (1897)

Helium Metal
An ore with the spectroscopic line of Helium.

In the Deep of Time (1897)

Home Planet
Usually the birthplace of your species or simply your planet of origin.

In the Deep of Time (1897)

Interstellar Express Car
Uses anti-gravitation metal to achieve terrific speeds in space.

In the Deep of Time (1897)

Life-Brew
A non-alcoholic beverage, but similar to wine.

In the Deep of Time (1897)

Noninterference With Other Worlds
Earliest expression of the 'Prime Directive' idea.

In the Deep of Time (1897)

Planetary Telegraphing
A method for communicating with dwellers on other planets in the solar system.

In the Deep of Time (1897)

Sun-Telephone
Receives transmissions from the sun itself.

In the Deep of Time (1897)

Vivification
A process by which the body can be preserved for centuries at body temperature and then revived.

In the Deep of Time (1897)

Walking Balloon
A means of efficiently traversing rough country.

In the Deep of Time (1897)