Scientific American Magazine
Volume 22, Issue 24You are currently logged out. Please sign in to download the issue PDF.
Features
Beck's New Improved Self-Adjusting Vise
On the Conditions and Limits Which Govern the Proportions of Rotary Fans
The Roller Barrow
The Cockchafer and its Ravages
Scientific Periodicals Found in New York Libraries
Balloon Varnishes
A Chapter on Cockroaches
The Origin of the Reluctance with Which Mankind Receive New Ideas and Inventions
New Sugar Refining Process
The Metropolitan Museum of Art
The Question of City Transit
Scientific Intelligence- June 11, 1870
Recent Foreign Improvements
Something about Horseshoes
Georgia State Fair
National Exhibition of the Argentine Republic
Reduction of the Public Debt
A Pneumatic Tube Four Hundred Miles Long
Recent American and Foreign Patents- June 11, 1870
Patent Office Affairs- June 11, 1870
Answers to Correspondents- June 11, 1870
Official List of Patents- June 11, 1870
Departments
Correspondence- June 11, 1870
Business and Personal- June 11, 1870
