Scientific American Magazine
Volume 38, Issue 7You are currently logged out. Please sign in to download the issue PDF.
Features
The Cash Recording Machine
A Patent Office Court
The Annual Report of the Commissioner of Patents
The Electric Light in Photography
Dangerous Smoke and Drink
“That is Near Enough”
The Bullion Product of 1877
Color-Blindness in its Relations to the Safety of the Traveling Public
The Shop Clock
Telegraphing without Wires
New Adjustable Swivel Hanger
Shaw's Improved Exhaust Nozzle
Appliances for Supporting Life in Irrespirable Media
Communications
An Improved Hoisting Machine
Wise's Ice Cream Beater
The Codling Moth
The India Rubber Tree
The Thompson Wooden Spring for Vehicles
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
Notes and Queries
Business and Personal
Index of Inventions
Patents
