Volume 2, Issue 15
You are currently logged out. Please sign in to download the issue PDF.
Features
Velocity of Electricity
The Sheathing of Ships
The Obstruction to the Navigation of Rivers Caused by the Piers of Bridges
The Presence of Silver in the Waters of the Sea
Adulteration of Wines
Can Particles of Matter be Inhaled into the Lungs?
Belts for Driving Machinery
Steam Fire-Engines
True Philosophy of Butter-Making
Melhuish's Metal Camera
Saving Nitrate of Silver
Patent Hemmer
Liabilities of Companies for Accidents
Linseed Oil and Oil-Cake
Save the Sawdust!
Iron Combination Beams for Buildings
The Pemberton Mill
Polytechnic Association of the American Institute
A Column of Varieties
Applications for the Extension of Patents
Improved Stave-Jointer
Machine for Dressing Rived Staves
Patent Extensions--Curious Paragraph--Commissioner Thomas
Great Guns
Agricultural Science--Top Dressings Blanching Vegetables
Interesting Proceedings in Congress
Weekly Summary of Inventions - April 7, 1860
Foreign News and Markets - April 7, 1860
Industry--Manufactures--Commerce
New York Markets
Patent Claims
Issued from the United States Patent Office