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The Paris Exhibition and its Jury

Decorative Details from the Exhibition Palace, Paris

Finale of the Paris Exhibition

Food Products.—Paris Exhibition

Russian Torpedo Boats

Improved Screw-Cutting Mechanism

By E. P. Baville and A. Greenwood

Steam in Water

A Montgolfier Ram

By Washington Jones

The Silver Mill

By M. P. Boss

Decipium.—A New Metal from Samarskite

By M. Delafontaine

New Improvements in Platinotype Printing

Volumetric Determination of Zinc

Oriental Style as Applied to Fabrics

How to Make Excellent Photo Transparencies

By E. Stebbing

To Find Free Tartaric Acid in Wine

English Cheese Presses

The Gramme Dynamo-Electric Machine for Producing Alternating Currents

New Telephonic Transmitter

By P. Dumont

How to Make a Camera Lucida in Ten Minutes

A New System of Electric Lighting and a New Form of Electric Lamp

By Elihu Thomson and Edwin J. Houston

A Rustic Hygrometer

The Rings of Saturn

Peroxide of Hydrogen in the Blood

An Attempt to Explain the Curative Action of Certain Remedies in General Use

By John Day

The Treatment of Ulcers with a Saturated Solution of Chlorate of Potassium

By T. M. Rochester

Diarrhea in Children

Embalming the Dead

New Ways of Utilizing the Action of Alkalies and Acids on the Textile Fabrics

Influence of Vibratory Motion on Solutions of Gases and Explosives

Sulphuric Acid Chemistry

A New Alkaloid


By A. H. Church

Email for Cast Iron

Recovering Gold from Old Cyanide Solutions

Testing Flour for Mineral Admixtures

Cobalt Plating

New Test for Alkalies

Testing Subnitrate of Bismuth for Lead

Coloring Rifle Barrels Brown

Spurred Rye in Bread

Wheat Culture


New Mode of Determining the Melting Temperature of Solids

A New Reagent for Carbolic Acid

Seeds and Seed Planting

By Chas. H. Shinn

A Recent Visit to the Caves of Adelsberg

Absorption of Carbonic Oxide by Living Organisms

Harbor Illumination by Gas


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