Features
A Curious History of an Old Inventor
The Blue Glass Epidemic
Publishers' Notice to Mail Subscribers
The Preservation of Learning
Exhibition of Microscopes
On Keeping an Index
American Inventive Progress
New French Woodworking Machines
Straightening Metal Plates
Communications
Stone-Working Implements
New Lubricant-Testing Machine
Improved Vehicle Springs
Some Members of the Lizard Family
Astronomical Notes
The Separation of Cobalt from Nickel by Colorimetric Test
New York Academy of Sciences
New Household Inventions
New Miscellaneous Inventions
New Woodworking and House and Carriage Building Inventions
Recent American and Foreign Patents
NEW MECHANICAL AND ENGINEERING INVENTIONS
New Agricultural Inventions
Communications Received
Departments
- Departments
New Books and Publications
Notes and Queries
Business and Personal
Index of Inventions
Patents
