Scientific American Magazine
Volume 26, Issue 24You are currently logged out. Please sign in to download the issue PDF.
Features
Suspension Truss Bridge, Powdered Coal for Unhealthy Plants and more
Self-Lubricating Box and Shaft Bearing
Alloys for Bells, Gongs, Cymbals, Etc.
Heat and Light - June 8, 1872
Improved Puddling Tool
Steam Propulsion on Canals
Discharging Coal
Riveting Device
Mill Step
Strengthening Emery Wheels
Peart's Patent Pit Car Wheel
Information on Gum Copal
Eight Hours' Work and Ten Hours' Pay
The United States Senate on Compensation to Inventors
The Sewing Machine Ring in a New Role
Screw Elevators
Recent American and Foreign Patents - June 8, 1872
Departments
Notes and Queries - June 8, 1872
Business and Personal - June 8, 1872
Answers to Correspondents - June 8, 1872
New Books and Publications - June 8, 1872
