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Features

Mechanical Ventilation of Mines

On the Causes of Heating and Cutting or Abrading in Brasses and Bearings

By Joshua Rose

Alum in Wyoming Territory

The Presence of Dextrine in the Urine

Improved Reed-Making Machine

Chemistry

Fatal Explosion in a Chemical Manufactory

Russian Pharmaceutical Statistics

New Steamer between New-York and the Brazils

Lessons in Mechanical Drawing

By C. W. MacCord

German Ironclads Coming

The Westminster Clock

Exhibition Notes.—Foreign

Proceedings of Societies

Chemical Society. London, December, 1875

How the Centennial Year finds the Work of Preparation

Alizarin from Anthracen-Sulpho-Acid

By G. Auerbach

Improvements in the Packing of Raw Cotton

Chimney Straightening

The International Exhibition of 1876

The Cunard Fleet

Medical

Cellars and Diphtheria, Topographical Observations of Twenty Residence Sites, Impartially Selected, in Which Diphtheria has Occurred, in the City of Des Moines, During the Summerof 1875

By A. G. Field

The Sewerage of Brighton

On the Action of Sulphocyanides on Palladium Chloride and Nitrate

By Sergius Kern

Amateur Wood-Workers

New Steam Canal Tug

Magnetism of Steel

As Influenced by Its Carbon and Its Hardness

Intelligence of Animals

Gas-Testing in Edinburgh

Galvanic Deposition of Bismuth

The Theory of “Stream Lines” in Relation to the Resistance of Ships

A Simple Method of Comparing the Hardness of Different Kinds of Steel Electro-Magnetically

By M. V. Waltenhofen

A Novel Iron Church-Roof

A Wooden Norwegian Church

Bacteria as a Cause of Disease

By S. H. Potter

Deep Shafts and Mines

Experiments on Electrostatic Induction

By M. Govi

Fish at the Centennial

On the Substitution of Liquid, Vaporized and Gaseous Hydrocarbons F Orsolid Fuel in Blast-Furnaces

By Charles Plagge

New Self-Registering Tidal and River-Water Indicators

Nickelizing Lightning-Conductors

Screw Trials

The Challenger at Humboldt Bay

The Great Globes of the French National Library

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    January 15, 1876

    Think Outside the Gift Box