Scientific American Magazine
Volume 38, Issue 18You are currently logged out. Please sign in to download the issue PDF.
Features
New Mechanical Inventions
Improved Machine Tools
What is Life?
How Patents Affect Prices
Congress and the Patent Office Funds
The Decline of the Ironclad
Hydraulic Mining in California
Improved Tool Stocks for Dental Engines
New York Academy of Sciences
Astronomical Notes - May 4, 1878
Improved Insect Powder Blower
Lining Roofs with Mineral Wool
Improved Clam Baker
The Boiling Lake of Dominica
The Oil Bearing Sands of Pennsylvania
The Pyrenean Pine
Improved Receiver and Stench Trap
Improved Pipe Tongs
Influence of Cosmical Matter
Proposed Injustice to Inventors - May 4, 1878
Hydrobromic Acid
Communications Received - May 4, 1878
The Scientific American - May 4, 1878
Departments
Notes and Queries - May 4, 1878
Business and Personal - May 4, 1878
New Books and Publications - May 4, 1878
Index - May 4, 1878
Patents - May 4, 1878
