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Japanese Coastguard Ships

The Screw Ferry Boat Cincinnati

The Trans-Siberian Railway

A New use for Portland Cement as a Structural Material

Compression of Steel Castings

Vail's Boiler Tube Expanding Machine

Improved Raising Machine

Instantaneous Mechanical Calculator

Waterproofing Pulp

Fast and Fugitive Dyes

By J. J. Hummel

The Application of the Alpha-Sulphonic Acid of Naphthalene* to the Bating and Puring of Hides and Skins

By Peter S. Burns and Charles S. Hull

New Process for Bleaching Jute

Star Anise and its Oil

The Refining of Petroleum and Lubricating Oils

Reflectors for Street Lights

Report on Solid Emery Wheels

Manufacture of Powders and Nitrated Explosives

Color in Photography

Photography in Colors

Influence of Temperature on the Color of Pigments

By Edward L. Nichols and Benj. W. Snow

The Origin of Death

By Edward G. Gardiner

Fertilizers for Tomatoes

The Great Salt Desert of Persia

Rate of Propagation of Induced Magnetism in Iron

A New Electric Tricycle

Early History of the Porte Electric System

Electric Decomposition of Chrome Ore

By E. F. Smith

The Electric Stair Climber

How to Invent the Successful Competing Telephone

By Edward P. Thompson

New York as it may be in the Year 2000

The Precipitation of Copper by Iron

By J. Essner

Analysis of Fermented Liquors

The Fixation of Free Nitrogen

On a New Method of Purifying Chloroform

By Rene Du Bois Reymond

Bleaching by means of Hypochlorite of Aluminum

By M. Weiss

Useful Engineering Books

Patents!

Terpene from Compressed Gas Oils

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