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Blyde River Aqueduct, Transvaal

How to Manage a Steam Engine

By J. C. S.

Compressed air Tramcar Propulsion

Chicago Water Supply

The New Tunnel Under Lake Michigan, Four Miles in Length

Manufacture of Tapestry, Brussels, Plush or Pile, and Similar Fabrics

How to make a Breast Collar, Single Harness

On the Drying of Ceramic Products

Note on a New Triple Bunsen Burner

By F. W. Branson

The Path of the Point of Contact of the Teeth of Gear Wheels

By W.F. Durand

Schirm's New Flash Light Gallery

By H.W. Vogel

The Formation of Ozone by Electric Discharges

The Electric Decomposition of Chlorides in Solution

The Transatlantic Cable Lines

Athletic Gymnastics

Menthol in Acute Rhinitis, Influenza, and other Affections of the Nose and Throat

An Experiment in Optics

The Potato

The Optical Illusions and Lights at Barnum's

The Norwegian “Ski”

Transit Observations by Photography

By Willard Gerrish

The Revolution of Mercury

U.S. Standard Weights and Measures

Synthesis of Indigo

Wool Wastes as Manures

The Igniting Point of Sulphur

By Rutherford Hill

Separation of Zinc from Nickel

By H. Alt and J. Schulze

New Zinc and Cadmium Salts

A Unique Archæological Relic

Building Plans and Specifications


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April 26, 1890

20% Sitewide for President's Day