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The World's Columbian Exposition--The Court of Honor

The Exhibit of the Baltimore & Ohio Railroad at Chicago

By John C. Trautwine

A Javanese Theater

Variable Power Gear for Locomotives and Cars

By Ed. C. De Segundo

The Mississippi River

The German State Institute for Physical Technology

By Franz Bendt

Improved Oil Press

An Automatic Process for the Manufacture of Vinegar

Getting and Distributing the News of the World

The Production of Vacuum in Evaporating Apparatus

By T. H. Cambier

An Emergency Staircase

Atoms and Sunbeams

By Robert Ball

Galls and their Occupants

By E. A. Butler

A New Sun Dial

Wasps and Grapes

The New Excavations at Troy

The Oil-Producing Plants of Formosa

Great Telescopes of the Future

By Alvan G. Clark

Vanilla Cultivation in Mexico

Bleeding Bread

A Field for Woman's Work in Astronomy

By M. Fleming

Pilocarpine: Its Physiological Action and Therapeutic uses with Exhibition of Specimens Showing Change in the Color of the Hair

By D. W. Prentiss

Silicide of Carbon

Liquid and Solid Air

By John S. Mckay

A Simple Method of Sterilizing Water for Domestic Purposes

By Francis Watts

An Improved Alembic

Nitro-Metals, a New Series of Compounds of Metals with Nitrogen Peroxide


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