Features
The Future of the Electric Railway
Food Adulteration
The American Chemical Society
Oysters at Quinnipiac
Binocular Vision in Telescopes
New Electric Lamp
The Steam Engine Indicator
New Style of Moulding
Miscellaneous Inventions
A New Motor
A Useful Steam Boiler Appliance
Engineering Inventions
New Ceiling and Wall
Improved Mill Pick
The Crinoids of Crawfordsville
American Industries.--No. 45
Porcelain Chimney-Piece
Wheat Production of the World
Mechanical Inventions
Communications Received
Departments
- Departments
Correspondence
New Inventions
Notes and Queries
New Books and Publications
Business and Personal
Index of Inventions
Patents
