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Egrot's Small Distilling Apparatus

Roads, Tunnels, Bridges, and Canals

Dr. C. W. Siemens

The Horse ad his Fossil Ancestry

The Detection of Adulteration of Metallic Nickel by the Magnet

By Thomas T. P. Bruce Warren

Liquefied Ethylene

On the Liquefaction of Ozone

The Application of the Spectropolariscope to Sugar Analysis

Artificial Forms of Silica

A New Form of Constant Pressure Injection Apparatus

Chemical Composition of the Banana, at the Different Degrees of its Growth

By L. Ricciardi

On Double Refraction in Glass and Sulphuret of Carbon Occasioned by Electric Influence

By H. Brongersma

Appearances of the Electric Arc in the Vapor of Carbon Disulphide


By M. P. T. Cl*amp*egrave;ve

Chenot's Atmospheric Rock Drill and Hammer

Production of Lead in 1881

Hart's Cyclic Elevator

Artesian Wells in Sahara

By P. De Tchihatchef

The New Channel Steamer Invicta

Friction Matches and their Influence in Ignitions

Narrow-Gauge Railways

How to make Paper Canes

The Atomic Weight of Uranium

Practical Method of Enlarging on Canvas

By G. H. Martyn

New Process for the Rapid Formation of Secondary Couples with Plates of Lead

Apparatus for Instantaneous Photography

On Lightning Conductors

By M. Melsens

The Western Union Telegraph Company

Directory and Staff

An Experiment in Hydraulics

Electro-Metallurgic Process of MM. Blas and Miest

Deprez & Carpentier's Voltmeter and Amperemeter

M. A. D'Arsonval's Telephone, with Circular Magnetic Field

On the use of Certain Instruments in the Treatment of Skin Diseases

By George Henry Fox

The Cyclone at Brownsville, Mo., April 18, 1882

By W. H. Williams

Sudatories at the Heiser Medical Gymnasium

Craters of the Moon

Garden Culture of Roses

The Cannon-Ball Tree

Fish Curing in New York

The California Juniper

Beer and Civilization

By Hans Vogel


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