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The Isthmus of Corinth Canal

The Opening of the Corinth Canal

Sinking a Siphon Trap

The British Protected Cruiser Grafton

The German Tar Distilling Industry

Improved Steam Striker

Linseed Oil Varnish

The Sucking up of Dangerous Liquids by Siphon

Scientific Terms

The Great Populous Centers of the World

By A. W. Greely

Music and Longevity

By Ephraim Cutter

Electrical and Light Vibrations

On Poisoning from Canned Fish

By A. B. Griffiths

German Notes from the Chicago Exposition

Canada at the World's Columbian Exposition

Theories of the Origin of Mountain Ranges

By Joseph Le conte

Soap as an Insecticide

Polygonum Sachalinense

Selection of Sorghum Seed

Dragon's Blood

Among the Australian Aborigines

The Hottentots of South Africa

By Nicolas Pike

Apparatus for the Concentration of Sulphuric Acid

Attempt at a General Method of Chemical Synthesis

By Raoul Pictet

Patents!

An Improved Method of Purifying Toluol, Benzol, Etc.

By R. J. Friswell

Useful Engineering Books

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    September 16, 1893

    Help Us Reforest the Mississippi River Valley