Features
The Great Problem
An Inexact Science
The Physical Characteristics of American Children
Large Locomotive Crane
The Great Eruption at Hawail
Communications - July 21, 1877
Practical Mechanism - July 21, 1877
A Gaspipe Bedstead
New Ice Tongs
Improved Horse Collar Stuffing Machine
Steam Glue-Heating Apparatus
Torpedo Warfare
Are the Aniline Dyes Injurious to Health?
Decisions of the Courts
New Agricultural Inventions - July 21, 1877
New Woodworking and House and Carriage Building Inventions - July 21, 1877
New Household Inventions - July 21, 1877
New Mechanical and Engineering Inventions - July 21, 1877
Recent American and Foreign Patents - July 21, 1877
New Miscellaneous Inventions - July 21, 1877
New Textile Inventions
Communications Received - July 21, 1877
Departments
- Departments
Notes and Queries - July 21, 1877
Business and Personal - July 21, 1877
Index of Inventions - July 21, 1877
