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The Portland Cement Trade of the World

A 4,000 Ton Forging Press

A Pond Dredger

The Railway between the United States and South America

Apparatus for Lifting Blocks of Beton

The Government System of Railways in Sumatra

A Short History of Bridge Building

By C. R. Manners

A New Suction Pump

Improved Smoke Annihilator

The New French Torpedo Cruiser Wattignies

Aluminum

By W. R. Ingalls

Researches as to the Properties of Alloys

By W. C. Roberts-Austen

A New Electro-Deposited Alloy

Field Magnets

The Homacoustic

Improvement in Dynamo and Motor Construction

A Domestic Telephone

Himalayan Glaciers of Baltistan

The Great Victoria Falls

Mildew of the Grape

Elephants, Recent and Extinct

By R. Lydekker

The Peruvian Mountain Station of Harvard College Observatory

By William H. Pickering

The Temperature of the Sun

New Synthesis of Tartaric Acid

Useful Engineering Books

Patents!

Masrium, a New Element(?)

Two New Liquids

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