Volume 5, Issue 22
You are currently logged out. Please sign in to download the issue PDF.
Features
Notes on Military and Naval Affairs
The Geological History of North America
Meriton's Safety Brake for Steering Gear
Novel Knife Sharpener
Chemistry of Iron
Coburn's Patent Sash Fastener
Muntz Sheathing for Iron Ships
Which is the Best Washing Machine
M'Cormick's Extension Again--Personal
Fifteen Thousand Patents Secured Through Our Agency
Sand, Soap and Glass
Our Navy and its Gallant Commodore Dupont
Building Stones and Their Preservation
Trial Trip of the Steamer “Constitution”
Subjects for Invention
Index of War and Naval Inventions
To Our Editorial Brethren
Notes on Foreign Inventions
Recent American Inventions
Patent Claims
Issued from the United States Patent Office