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Italian First-Class Battleship “Reginamargherita”


By Samuel S. Sadtler

Utilization of Petroleum Wax

Non-Poisonous Textile and Egg Dyes for Household use

Mercadier's System of Attuned Telegraphy

A Quartz-Thread Vertical Force Magnetograph

By W. Watson

The Work of a Great Ethnologist

By Henry A Balfour

A Silent Drive Chain

Chinese Pavilion at the St. Louis Fair

The St. Louis Correspondent of the Scientific American

Atlantic Cattle-Carrying

“stiff-catchers” and their victims

By Walter Wood

The “Wolvin's” Remarkable Unloading Record

The Leg and Foot of a Spider

The Modern Steam Locomotive

By W. F. M. Goss

Contemporary Electrical Science

Aquatic Products as Fertilizers

By Charles H. Stevenson

The Mechanics of the Gyroscope

By S. Tolver Preston

Romance of the Potato

Electrical Notes

Engineering Notes

Trade Notes and Recipes


Selected Formulæ


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