Sounding Guard for Vessels

Cow Milking Apparatus

Waterproof Emery Paper

American Telegraph Inventor in Europe

A Manufacturing City

Pettingell's Pistol

List of Patent Claims

Important Notice

Reform of the British Patent Laws

New Tanning Process

Harmony of Revelation and Science

Useless Inflated Life Preservers

Benefits of Machinery.--Mechanical Engineers

The U. S. Astronomer

Auricles for the Deaf

Removing Incrustations from Culinary Vessels

Present to an American Inventor

Origin of Mechanics Institutions

New Brick Machine

Berdan's Mechanical Bakery

Splendid Prizes.--Paid in Cash

Meeting of the Exhibitors

Inventors' Congress.--Great Enthusiasm!--Six Members in Council!!

Great Exhibition of the American Institute at the Crystal Palace, New York

Sixth Week Continued Close of the Exhibition

Carriage Springs

Water Filter

Vergnes' Electro Magnetic Engine

Automatic Whistle.--Safety on Railroads

Atmospheric Forge and Trip Hammer

The Annual Address

Oscillating Engines

New Spring Saddle

Lithograph Presses

Information Respecting the Manufacture of Iron and Steel

Gas Stoves

Fuel Cutter

Breech-Loading Fire-Arms

Book Folding Machine

Use of Guano

Turning Lathe

Transparent Oil Cup

The Steam Frigate Merrimac

Shearing and Punching Presses

Rotary Engines

Pumps

Printing Presses

Preserved Fresh Meats

Marine and Stationary Governor

Mortising Machines

New Bridge

New Subsoil Plow

Etching on Ivory

Galvanic Metals

Improved Quality of Alloys

Mechanics