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An Electric Crane

Dr. Auer's New Incandescent Gas-Burner

Theatrical Mechanism

Hall's Ozone Machine

Photographic Reproduction of the Luminous Effects of Electricity without the Use of Ordinary Photographic Apparatus

By M. Boudet

Job's Conundrum

A Lecture on Water-Sanitation

By William C. Conant

A New Form of Barometer

Machine for Dyeing Yarn in Skeins

Tunnel for Foot Passengers in Stockholm

The Invention of Machines

By Hele Shaw

Experiments against Armored Turrets

Artesian Wells

Requisite and Qualifying Conditions of Artesian Wells *

By Thomas C. Chamberlin

Edward Atkinson on ' the Eight Hour Question

Pneumatic Disposal of Sewage

Combustion of Cyanogen

By Harold B. Dixon

The Solubility of Sulphur in Alcohol

By Arthur G. Bloxam

Face “Worms”

The Principles of Cerebral Surgery

By John B. Roberts

New, Easy, Rapid, and Painless Method of Reduction of Dislocations of the Shoulder, Without an Anesthetic


The Flowering of Cycads


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May 22, 1886

20% Sitewide for President's Day