Features
Lands Below the Ocean Level
The Permanent Supply Water Works of Baltimore
What is a Temporary Star?
The Manufacture of Silverware
Practical Mechanism - May 12, 1877
Improved Calculating Machine
Improved Fire Escape
Baby Brutes
A Curious Piece of Mechanical Manipulation.--Cutting Right or Left Hand Threads with Right Hand Dies
Decisions of the Courts
New Woodworking and House and Carriage Building Inventions - May 12, 1877
New Agricultural Inventions - May 12, 1877
New Household Inventions - May 12, 1877
Recent American and Foreign Patents - May 12, 1877
New Mechanical and Engineering Inventions - May 12, 1877
New Miscellaneous Inventions - May 12, 1877
Communications Received - May 12, 1877
Departments
- Departments
Business and Personal - May 12, 1877
Index of Inventions - May 12, 1877
Patents - May 12, 1877