Features
Vienna International Electric Exhibition
The Problem of the Telephone
The Past Year in the Patent Office
What is an Artist?
The Star of Bethlehem
An Ammonia Still for Small Gas Works
Improved Sponge Filters
Electric Motors with Inductors Containing no Iron
Terra Cotta Lumber
Flexible Self-Gauging Faucet
The New Otto One-Horse Power Silent Gas Engine
A Glass Globe from which Three Hundred Watch Crystals were Cut
The Automaton Chess Player
Agricultural Inventions
Miscellaneous Inventions
Mechanical Inventions
Engineering Inventions
Departments
- Departments
Correspondence
Recent Inventions
Business and Personal
Index of Inventions
Notes and Queries
