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Features

Apparatus for Continuous Distillation System

By Von Egrot

The India-Rubber and Gutta Percha Industries

By Thomas Bolas

A Log Jam

Preparation of Opium for Smoking

By Hugh McCallum

A New Triamidotriphenylmethane (Pseudoleucaniline)

By O. Fischer and J. Ziegler

Compression of Gaseous Mixtures

By L. Cailletet

Ethereal Oil from the Californian Bay Tree

By J. M. Stillman

Abietic Acid

By W. Kelbe

Valuation of Bituminous Rocks and Limestones

By P. Kienlen

Freezing Mixtures

By A. Ditte

Cold Air Machines

The One-Hundred Ton Gun

Safety Hooks

Consolidation Locomotive for the Philadelphia and Reading Railroad

Fast Passenger Locomotives

When the Timber is Gone, What?

Apparatus for Measuring Strains in Structures

How to make a Telescope

By George M. Hopkins

Atmospheric Electricity

By David Brooks

Constant Bath Treatment of Fever

A Florida Typhoon

The Cure of Constitutional Diseases by the use of Glasses

Effects of Inhaling Oxygen

The American Pharmaceutical Association

Danger from Contagious Diseases Affecting the Lower Animals

By Stalker

A Lesson on curare and other Poisons

Dr. Tanner Lectures

Patents

A New York Orchard

Remedy for the Cabbage Worm

The Ultimate Structure of Living Organisms

By Carl Seller

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    October 30, 1880

    Music's Mysterious Power

    Music's Mysterious Power

    Emotional. Cognitive. Therapeutic.