Features
Could a Hostile Fleet Bombard New York ?
Science Teaching in Schools
Traveling Flies
The De Bay Propeller
A Chance for Inventors.--The $5,000 Car
French Pill Printing Machine
New Portable Oven
Hens' Wire Nests
The First Inventor of the Steam Gauge
The American Science Association
New Beer Faucet
Engineering Inventions
Miscellaneous Inventions
Double Treadle Attachment
Improvement in Billiard Tables
Seals
Mechanical Inventions
Benzole
Count Louis Francois De Pourtales
The Causes of Terrestrial Magnetism
The Location of the Lick Observatory
Reasonable Diligence
Departments
- Departments
Correspondence
Recent Inventions
Index of Inventions
Notes and Queries
Business and Personal
