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Manufacture of Hydrogen Gas for the Captive Balloon at Paris

The Great Medal of Honor of the Paris Exhibition

The Paris Exhibition-Awarding the Prizes

Electrical Apparatus at the Paris Exhibition

The Pollard Telephone

An Electric Free-Pendulum Regulator

One Solution of the Labor Problem

English Engineers and American Bridges

Pulsating Lubricator

Hall's Injector

Hydraulic Dumping

A New means to Prevent Incrustations in Boilers

Aerial Echoes

By Joseph Henry

American Anthracite Coal in the Mediterranean

The Silk Trade of Lyons, France

A New Mode of Preserving Wood

How to make Copying Paper

Apparatus for the Preparation of Carbon Paper

Vaseline in Pharmacy

By Nathan Rosenwasser

Improvement in the Manufacture of Caustic Soda

Coal Gas as a Fuel for Boilers

Gallein and Cœrulein

On the Practical Value of Wolfram Alloys

How to Mend Platinum Vessels

A New Process of Manufacturing Chloride of Methylen on a Large Scale

New Mode of Analyzing Milk

Nickel Plating on Iron and Steel without a Battery

On the New Metal Gallium

Solubility of Petroleum in Liquid Soaps under Certain Circumstances

Magnesia as an Antidote for Arsenic

Sulphur and Yellow Fever Germs

Test for Colophonium, Resin, Etc., In Yellow Wax

Varnishes for Foundry Patterns, Machinery, Etc.

Bleaching of Textile Fibers

Extraction of Copper and Silver

Contamination of Subnitrate of Bismuth by Lead

Manganese as a Reducing Agent in Bronzes

The Utilization of Household Sewage

Anthracnose—A New Vine Disease

Outlines of Chemistry

By Henry M. McIntire

The Progress of Sheep Husbandry in the United States

Rise and Progress of Bee Culture

By A. J. King

Killing American Beef for English Markets

Death of a Prominent Agriculturist, Engineer, and Manufacturer


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