Features
Professor Tyndall on the Phenomena of Human Life
Arrested Development
Notes of Patent Office Decisions
The American Railway System.--Maintenance of Way
The Wooden Pavements of Chicago
The Wren Gas Works
New Standard Grinding Mill
The Meeting of the Academy of Sciences
Some Inventions for Husking Corn
Borden's Improved Gauge Cock
Streit's New Bevel Flange Loose Pulleys
Improved Burglar Alarm Window Fastening
Johnson's Improved Boiler Plate Shears
Archer Fishes
The Red and the Two-Lined Salamander
New Mechanical and Engineering Inventions
New Miscellaneous Inventions
Recent American and Foreign Patents
New Agricultural Inventions
New Household Inventions
New Woodworking and House and Carriage Building Inventions
Communications Received
Departments
- Departments
Notes and Queries
Business and Personals
Index of Inventions
Patents
