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Features

Max V. Pettenkofer

Francis Parkman

Losses of Sugar during Evaporation and Concentration

Steam Carpet Cleaning

Utility of Gypsum in Oklahoma

The Naval Control of the Mediterranean

American Grain Elevators

Prepared for the International Engineering Congress of the Columbian Exposition, 1893

By E. Lee Heidenreich

The Jetty Works at the Mouth of the Mississippi River

Curious Bevel Wheels

The North Sea-Baltic Canal

Improved Method of Constructing Foundations under Water by Forcing Cement into Loose Sand or Gravel by means of Air Pressure

Prepared for the International Engineering Congress of the Columbian Exposition, 1893

By Fr. Neukirch

Improvement in Boiler Construction

A Geometric Gyroscopic Top

Venetian Glass

The Brain and Memory

Fundamental Standards of Length and Mass

Chronic Intestinal Catarrh

By C. E. Kelsey

To Cut Short Whooping Cough in Twenty-Four Hours

The Prevention of Tuberculosis in Ontario

Prevalence of the Disease

By E. Herbert Adams

Detection of Cholera Bacilli

By R. Koch

Labor Saving Inventions in Agriculture

Paphinia Grandis

Anomalies in Tropical Cane Growth

By Thos. Mann Cage

The Beautiful Colors of Autumn

Ruins in Mashonaland

Anthurium Wambeckianum

Spontaneous Combustion

Color Reactions of Certain Aromatic Trioxide Compounds

By J. Stahl

The Electrolysis of Common Salt

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December 09, 1893

Think Outside the Gift Box