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New Railway Car Axle

Wheel-Flange Lubricator

The Pulsator

The Cart Horse Show

D'arsonval's Steam-Pressure Regulator

New Two-Color Printing Press

Improvements in Combing Machines

By M. Imbs

Sulphate of Soda.—A New Mechanical Furnace and a Continuous System of Manufacturing Sulphate of Soda

By James Mactear

Professor Tennant, F.G.S.

Rotating Stage for the Microscope

The Microscopical Analysis of Water

Brief Review of the Most Important Changes in the Industrial Applications of Chemistry within the Last Few Years

Materials and Processes connected with the Construction of Buildings

The Radiograph

Oils From Schists

By Gaston Bong

Distribution of Light in the Solar Spectrum—Spectrum of the Color-Blind

By J. Mace and W. Nicati

On The Viscosity of Gases at High Exhaustions

By William Crookes

New Electrolytic Results

By E. F. Smith

The Sensitiveness of the Root-Tip of the Seedling

Separation of Cadmium and Zinc

By A. Yver

Bleaching and Dyeing Straw Hats

Process for Bleaching Cotton in the Dry Way by the Vapors of Chloroform Charged with Chlorine

By Albert Engler

Practical Receipts

On the use of a New Silver Salt in the Treatment of Organic Nervous Disease

New Process for the Extraction of the Iodine Contained in Seaweeds

By MM Laurot and Collet

Clasps as Fastenings for Artificial Dentures

By J. W. Clowes

Cistern Water

Ascent of Chimborazo and Cotopaxi

By Edward Whymper

The Materialistic Origin of the Sexes

The Stone Statues of the Ile De Paques

A Lost City

Gour, the Ruined and Forgotten Capital of Bengal

Destroying Witch Grass

Indian Traditions Respecting their Origin

By T. L. Lewis

On the Habits of the Northern or Shortfinned Squid (Ommadreplm illecebrosa)

By A. E. Verrill


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April 23, 1881