Scientific American Magazine
Volume 22, Issue 10You are currently logged out. Please sign in to download the issue PDF.
Features
Improved Machine for the Manufacture of Spoked Wheels, Polishing Granite, and more
Platinized Looking-Glasses
Cobalt--Its Properties and Uses
A Plea for Our "Dumb" Slaves
The Pneumatic Tunnel Under Broadway, N. Y.
Hubbell & Capron's Improved Turbine Wheel
Universal Balance for Millstones
The Cultivation of Timber
The Law of "Vis Viva"
A Plea for the Society for the Prevention of Cruelty to Animals
What Oysters Eat
The New Explosive Dualin
Systematic Thinking
The Lightest Machine
Mr. Rutherfurd's Star Photographs
Concerning Patent Office Matters
Tyndall on Haze and Dust
The Zircon Light
Answers to Correspondents- March 5, 1870
Recent American and Foreign Patents- March 5, 1870
Official List of Patents- March 5, 1870
Applications for Extension of Patents- March 5, 1870
Departments
Correspondence- March 5, 1870
Business and Personal- March 5, 1870
New Books and Publications- March 5, 1870
