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The India-Rubber and Gutta Percha Industries

By Thomas Bolas

An Afghan Jampan or Sedan Chair

Piassava Fiber

Improved Gas-Burners

The Mechanical Labor of One Man

Mental Imagery

Glass Manufacture

Manufacture of Cotton Cords

An Electro-Dynamic Paradox

By M. Gerard-Lescuyer

On the Proper Form of Lightning Conductors

By William Henry Preece

Lightning Conductors

By Richard Anderson

A New Improvement in Mineral Analysis

Solvay's Ammonia-Water Concentrator

Destructive Action of Woody Fiber upon Salicylic Acid

By H. Kolbe

Tin Crystals

Solution of Chlorine in Water

By M. Berthelot

Fireproof Materials

Fast Shades on Wool

Black Paper Pulp

By M. Auguste Abadie

The Present Condition and the Future Task of Modern Paleontology

By Carl Vogt

Preparation of Glycerine from Soap-Boilers' Lyes

Method of Determining the Free Fatty Acids Present in Commercial Oils

By M. Carpentin

Luminous Paint

Helvetia Green

Bleaching Jute

Prophecy of the Weather

By Isaac P. Noyes

Carbolized Camphor in Diphtheria

Hygienic Screens

Observations regarding Falls of Meteoric Dust in Italy


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    October 09, 1880

    20% Sitewide for President's Day