Features
Lessons in Mechanical Drawing
$80,000 Reward for a Cure for Cholera
Sun Spots Studied by Solar Photography
Cerebral Thermometry
Notes of Decisions of the Courts
The Glandular Theory of Disease
Improved Tile-Making Machine
Harrison's New Portable Flouring Mill
M. Trouve's New Moist Battery
Communications
Practical Mechanism
Improved Boring Machine
Improved Label Holder
A Curious Result of Denudation
The New French Exposition Palace
Raising Obelisks
New Arrangement of the Air Reservoirs in Pumps
New Mechanical and Engineering Inventions
How to Adjust Engine Guide Bars
New Miscellaneous Inventions
Recent American and Foreign Patents
New Agricultural Inventions
New Household Inventions
Wants and Business Inquiries
Departments
- Departments
New Books and Publications
Notes and Queries
Business and Personal
Index of Inventions
Patents
