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Soaking Pits for Steel Ingots

On the successful rolling 01<' steel ingots with their own initialheat by means of the soaking pit process

By John Gjers

Tempering by Compression

Economical Steam Power

By William Barnet Le Van

River Improvements Near St. Louis

Bunte's Burette for the Analysis of Furnace Gases

The “Universal” Gas Engine

Gas Furnace for Baking Refractory Products

Machine for Compressing Coal Refuse into Fuel

The Efficiency of Fans

Hank Sizing and Wringing Machine

Improved Coke Breaker

Improvement in Printing Machinery

The Soy Bean

A Characteristic Mining “Rush.”—The Prospective Mining Center of Southern New Mexico

On a New Arc Electric Lamp

By W. H. Preece

Apparatus for Obtaining Pure Water for Photographic Use

Black Phosphorus

By P. Thenard

Schreiber's Apparatus for Revivifying Bone–Black

Soap and its Manufacture, from a Consumer's Point of View

The Food and Energy of Man

By De Chaumont

Composition of Steep Water

Cotton Seed Oil

By S. S. Bradford


The Chinese Sign Manual

Rattlesnake Poison

By Henry H. Croft

The Building Stone Supply

On Some Apparatus that Permit of Entering Flames

An Industrial Revolution

A Farmer's Lime Kiln

The Manufacture of Apple Jelly

How to Establish a True Meridian

By L. M. Haupt

Utilization of Solar Heat

Improved Grape Bags

The Ocellated Pheasant

The Maidenhair Tree

The Woods of America


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