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A 4,000 Ton Forging Press

The Portland Cement Trade of the World

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


By W. R. Ingalls

The New French Torpedo Cruiser Wattignies

Researches as to the Properties of Alloys

By W. C. Roberts-Austen

A New Electro-Deposited Alloy

Field Magnets

The Homacoustic

A Domestic Telephone

Improvement in Dynamo and Motor Construction

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

Masrium, a New Element(?)

New Synthesis of Tartaric Acid


Two New Liquids

Useful Engineering Books


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    May 28, 1892

    20% Sitewide for President's Day