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Recent Arctic Explorations

The Trial of the Alarm

Garrett's Submarine Torpedo Boat

Deep Sea Soundings

A Smoke Consumer

How Railway Time Tables are Arranged

Improved Steam–Engine

Steam Hammer for Bossing Wheels

Manufacture of Gun-Cotton at the Stow-Market Works

An Improved Dynamometer

By William P. Tatham

Gun Cotton

Hints on Home Sanitation

By H. H. Collins

Carl Louis Schwendler

A Practical Method for Preventing the Spread of Infectious Diseases in Households

Filaria Sanguinis Hominis

The Vapor–Density of Iodine

By M. Berthelot

Improved Methods in Refining Petroleum

On the Purification of Gas by Ammonia

By F. D. Marshall

The Appert Process

Action of Chloride of Lime upon the Alcohols

Note on the Efficiency of Centrifugal Machines for the Separation of Cream from Milk

By Alfred Smetham

Action of Ozone on Germs

By E. Chappuis

On Almeira Grape Juice

By J. Carter Bell

Reserve for Aniline Black

By Horace K*amp*oelig;chlin

The Present State of the Rosaniline Question

By A. Rosenstiehl


Report on Condensed Milk

By Aug. Voelcker

The Influence of Atmospheric Rarefaction on the Illuminating Power of Gas

The Nature of Swamp Muck and its Value in Agriculture

By James R. Nichols


By J. Chappuis

Ensilage in Nature

The Stomach of a Ruminant a Silo in Miniature

Mulching for the Peach Borer

Filtering Gelatine Emulsions

Silos and Ensilage

Progress in American Silk Culture

Magnetic Disturbances, Auroras, and Earth Currents

By W. Grylls Adams

The Sky as a Cemetery

The Sun's Color


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