Features
Improved Cork-Cutting Machine
Liquefaction of Flint in Water
Electro-Magnetism and Locomotives
Uses of Liquified Quartz
Compressed Air-Engines
Mr. Donald Mckay's Opinions of British Shipping
Tempering Steel Wire
A Good-Natured Letter
Improved Preserve Can
Work of Water-Wheels by Night and Day
Cleaning Boilers
Our Journal in Europe
Perpetual Motion--Pathetic Story of its Inventor
Pyrometer on the Principle of the Steam Gage
Infringement Case
Merits of Galvanized Iron
Coal Oil--Secret Inventions
Steel from Cast-Iron Without Fire
Advice About Patent Extensions
A Column of Interesting Varieties
Improved Molding Device
Steam-Boiler Inspection
Improvement in Valve Rods for Self-Feeding Boilers
The Buffalo Big Ship
The New Time Ball
Perpetual Motion
Architecture and Building Materials
A Remarkable Meteor
Removing Mildew From Linen
Iron and Wood for Ships
Sewing-Machines and the American Institute
Weekly Summary of Inventions
Foreign Summary--News and Markets
Patent Claims
Discovery of a Sunken City
Improvement in Hemming-Guides for Sewing-Machines
Improved Chimney Caps
Departments
- Departments
Notes and Queries
