Patent Circular Saw without a Shaft

A Brother Mechanic to his Brethren

Tests for Guano

Plastic Materials for Forming Various Objects

Improvement in Boot Trees

Hot Air and Steam

Heliochromy

United States Survey

The Tunnelling Machine

Basket Willows

Labor Law in Rhode Island

Machinery and Tools as they are.—Saws and Saw Mills

The French Navy

Burning Fluid and the Newell Lamp

Sperm Oil

Another Specimen Letter

Improved Spike Machine

Improved Cider Mill

Corn Grinding Mill

Another Improved Car Seat

Stone Dressing Machine

Hot-Air Furnace

Improved Railroad Switch

The Commissioner of Patents

Novel Engineering Project—A Marine Railway One and a Quarter Miles in Length

Hot Air and Steam—The Ericsson Engine

Burning Fluid Lamp Controversy

Ingenious Invention—Ship's Indicator

Riddle's Report of the Great Exhibition

The Great Silk Workshop

Motive Power Without Fuel

Destruction of Moose and Deer

Manufacture of Boiler Iron

The Ericsson Hot Air Ship

Testimonial to Lient. Maury

Natural Gas

Novel Manufactory

Wells, Pumps, &c

A Want Supplied

Francis' Life-Boat Manufactory

Railroad and Engine—A Memorial

Mechanics

Manufacturers and Inventors