Machine for Sticking Pins Into Paper

Cumberland Mountain Tunnel

Railroad through the British Provinces of America

The Blue Ridge Tunnel

Steamboats, Railroads and Telegraphs

Soundings Obtained at Sea

New Process of Daguerreotyping

Liabilities of Railway Companies in England

Foreign Correspondence

Notice

New and Ingenious Tooth Puller

To Clean Rusted Iron Work

New Swingle-Tree for Carriages

Balloon Navigation

Improved Grain Drill

Restoration of Sight

Steamboat Boiler Bursting on the Western Waters

Business in the Patent Office

Steam versus Stame as a Propelling Power

Cast Iron Pavements

Depilatory Powders

The Largest Edition Yet

Back Numbers and Volumes

Errata—Patent Claims

List of Patent Claims

Mechanics

Inventors and Manufacturers

A Sofa Made Of Coal

Destruction of Ships by Spontaneous Combustion

The Spanish Fly and the Cockroach

New Jersey Zinc and Franklinite

New Discovery of Daguerreotype