Features
Interesting Correspondence
Hints to Improvers of Cotton Gins
Ventilation of Mines--The Steam Jet
Agricultural Capacities and Climate of Western Texas
Philosophy in an Eggshell
A Cuban Invention--Improved Calipers
Grist Mills and Milling
A Steam and Air Engine--Electrical Phenomenon
Pulling Pine Stumps
Our Modern Household Conveniences--Mineral Poisons
New York Telegraphic Operations
Applications for the Extension of Patents
Blake's Improved Belt-fastener
Improved Andiron
Blake's Patent Auger
An Inventor's Experience in Procuring an English Patent
Agricultural Science and Art
New Plan for Tide-Mill Water-Works
American Naval Architecture
The Motion of a Cannon Ball
Michigan Salt
A Column of Varieties
Polytechnic Association of the American Institute
How to Make Improvements
The "Sterling" Gas Regulator
An Ingenious Dental Invention--An Artificial Palate
Light without Heat
Orton's Improved Horse-Power
Liberal Prizes Offered for Lamp Improvements
Objects of Interest in the Central Park
A Word to our Friends
Weekly Summary of Inventions - June 9, 1860
Axes Without Eyes
Patent Claims - June 9, 1860
Issued from the United States Patent Office
Money Received
Useful Hints to Our Readers
Vol. I. of the New Series
Important to Inventors
Improved Double-Jointed Cutter-Bar for Harvesters
Polishing Substances--Tripoli
Departments
- Departments
Notes and Queries - June 9, 1860