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Traffic of the Wheeling Bridge

Slater's Heating and Fire-Proof Boiler Front

Dangers of Railroads

Indiana and Ohio Central Railroad

Taft's Frictional Coupling

Honor to Agassiz

Compliment to Mr. Squier

Bushing Tomatoes

Coillns' Line of Steamers

Honey Trees in California


The Great Britain Screw Steamship Again

Handling Red-hot Metal

Cure for Cancer

Camphene Lamps

Cultivating Potatoes

California a Hundred and Fifty Years Ago

Engineers' Institute of New York City

The Sand in Egypt

Coffee, its Properties, &C

Improvements in Pianofortes


Improvement in Time Pieces

Nystrom's Calculating Machine

Improvement in Threshing Machines

Improvement in Paper Making

Dairyman's Assistant

Hydrogen Gas for Singeing Cloth

Improvements in Ventilation

Guthrie's Water Indicator for Boilers

Discovery of Etherization


Another Telegraph Case

Patent Self-Raising Flour

New War Steamers

Fires and Falling Walls

Academy of Natural Sciences of Philadelphia

Naval Dry Docks of the United States

Vegetable Origin of Coal

Something New and Important, if True

The Omnibus

List of Patent Claims

Surface Coal

Back Numbers and Volumes

An Important Paragraph

Patent Laws, and Guide to Inventors

To Correspondents

Patent Claims


On Boilers.--No. 24

Powerful Antidote


Agricultural Science

A Singular Case


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