Volume 15, Issue 9
You are currently logged out. Please sign in to download the issue PDF.
Features
The Domestic Sources of Cholera and the Means of Avoiding them
The Prussian Needle Gun
Insurance Against Steam Boiler Explosions
National Academy of Sciences
Wedging of Gases When Confined
The Markets
Agricultural Exhibitions
Question about Prior Invention
Special Notices
Dead-Stroke Power Hammer
King's Oiler
Artists and Artisans
Tools for Special and for General Use
Engines of the Steamship Rising Star
Patent Claims
Issued From the U. S. Patent Office