The "Excelsior" Cracker Machine

Hints to Improvers of Cotton Gins

Agricultural Capacities and Climate of Western Texas

Ventilation of Mines--The Steam Jet

Interesting Correspondence

Grist Mills and Milling

A Steam and Air Engine--Electrical Phenomenon

A Cuban Invention--Improved Calipers

Pulling Pine Stumps

Philosophy in an Eggshell

Applications for the Extension of Patents

Our Modern Household Conveniences--Mineral Poisons

New York Telegraphic Operations

Blake's Improved Belt-fastener

An Inventor's Experience in Procuring an English Patent

Improved Andiron

Blake's Patent Auger

Michigan Salt

American Naval Architecture

Agricultural Science and Art

The Motion of a Cannon Ball

New Plan for Tide-Mill Water-Works

How to Make Improvements

A Column of Varieties

Polytechnic Association of the American Institute

Light without Heat

An Ingenious Dental Invention--An Artificial Palate

The "Sterling" Gas Regulator

Orton's Improved Horse-Power

Liberal Prizes Offered for Lamp Improvements

A Word to our Friends

Objects of Interest in the Central Park

Axes Without Eyes

Weekly Summary of Inventions - June 9, 1860

Patent Claims - June 9, 1860

Issued from the United States Patent Office

Important to Inventors

Vol. I. of the New Series

Useful Hints to Our Readers

Money Received

Improved Double-Jointed Cutter-Bar for Harvesters

Polishing Substances--Tripoli