Features
The Annual Report of the Commissioner of Patents
A Patent Office Court
Telegraphing without Wires
The Shop Clock
Color-Blindness in its Relations to the Safety of the Traveling Public
The Bullion Product of 1877
“That is Near Enough”
Dangerous Smoke and Drink
The Electric Light in Photography
New Adjustable Swivel Hanger
Shaw's Improved Exhaust Nozzle
Appliances for Supporting Life in Irrespirable Media
Communications
Wise's Ice Cream Beater
An Improved Hoisting Machine
The India Rubber Tree
The Thompson Wooden Spring for Vehicles
The Codling Moth
M. Henri Giffard's New Apparatus for the Production of Hydrogen in Large Quantities
Prevention of Gaseous Emanations from Drains and Sewers
Wants and Business Inquiries
Departments
- Departments
Business and Personal
Notes and Queries
Index of Inventions
Patents
