Decisions Relating to Patents

Captain Eads' Ship Railway

Terms of The Mexican Concession

The De Bay Propeller

The Panama Canal and its Projector, Ferdinand De Lesseps

Beginning Work on the Panama Canal

Clyde Shipbuilding

The Destruction of the Ironclad Richelieu

Test of Armor Plate

The Trials of the Inflexible Guns

Trials of Gigantic Guns

Steel versus Wrought Iron

Towing and Discharging Torpedoes from Torpedo Boats

Structures in the Sea

Water Engine

Blasting

Elevated Cable Railways

Extinguishing Fires in Coal Mines

An Inquiry into the Laws of the Beautiful in Music

Artists' Homes.—No. 10

Pyrogallol for Dry-Plate Development

The Electrical Photometer

Photographic Transparency

How to make Skeleton Leaves and Crystallized Grasses

The Photophone

The British Government and the Telephone

Sound from Radiant Energy

The American Rapid Telegraph in England

Maritime Meteorology

The Hurricane at Sitka

Sulphate of Soda by the Direct Process

A Coloring Matter from Carbon Disulphide

How to Soften Hard Water

The Detection of Starch and Dextrin

On Heat Conduction in Highly Rarefied Air

The Fatal Dose of Carbon Oxide for Various Animals

Hot Ice

Saponification of Fats

Natural Bone-Setting

Camphor Production

Cause of Diphtheria in the Family of Samuel Crump, Esq., Montclair, N. J

Effervescent Beverages

The Sacerdotal Palaces of Mictlan, in Mexico

Sugar making in Cuba

Soiling Stock

The Hay Crop

Put Clover on your Land