Buildings of the Centennial Exhibition

A. British View of the Exhibition

Exhibition Notes

What New-York Will Show

Brazil at the Exhibition

Laboratory Notes

Sergius Kern, St. Petersburg

Extraction of Sulphur

Constitution of the Phosphates

Stenography

Amateur Wood-Workers

Lessons in Mechanical Drawing

LESSON IV.

New Sphygmograph, an Instrument Adapted as a Sphygmograph, Sphygmometer, Cardiograph, Cardiometer, and to other Uses

Proceedings of Societies

Entomological Society, London, January 5

The French Academy Award of Prizes

Tee Snow-Ploughs of the Central Pacific Railroad

The Royal Society

Honor To Dr. Hofmann

The Drainage of Lake Fucino

The Inflexible and her Armament

Raising the Vanguard

Modern uses of the Goose-Quill

A Mechanical Deer

Cement for Fastening Caoutchouc on Metal

Using the Raw Material to the Utmost

Resistance of Slag Bricks to Crushing Strains

The English Channel Tunnel

Hot-Blast Pig for Refined Iron

Registering Thermometer

Coal-Dust and Petroleum Furnace

New Photometer

Drying Tobacco and other Substances

Improvement in Hydrocarbon Furnaces

Swinging Ship's Berth

Improvement in Metallic Arched Truss- Bridges

The Theory of “Stream Lines” in Relation to the Resistance of Ships

Telegraph Stations in Mid-Ocean

Chinese Acrobats

Aquatic Velocipede

Hay-Ricking Apparatus

Velocipede Sled

Bicycle-Riding

A Fast Velocipede

Edinburgh Tricycle