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International Exhibition of 1876

Connery'S Concave Calking

The International Exhibition of 1876

The Russian Artillery Exhibit —New ' Ield-Gun Carriage

Exhibition Notes

Interesting Minekalogical and Arrchleological Displays

Ship Canal between the Atlantic and Pacific

Tank Locomotive at the Exhibition

Peyer's Steam-Trap


New Office Water-Gauge

New Steam Condenser without Air-Pump

Improvement in Canal Banks

By W. Rodney

Lessons in Mechanical Drawing

By C. W. MacCord

The Seismagraph

Direct-Acting Compound Steam Pumping Engine

Brown's Audible Railway Signals

How to make Steam and Water Joints

By Joshua Rose


Prof. Huxley in America

The Theory of Evolution

The Course of Certain Brain Fibres

Tin-Foil for the Teeth

Health of Dentists

Sublimed Salicylic Acid

The Mortuary Record of the Mutual Life Insurance Company of New York

Observations of the Planet Saturn

By L. Trouvelot

Thurston's Autographic Torsion Machine, and Experiments

Jet Mining and Working

Trade and Manufacture in the United States

The Gramme Electric, Machine

To the Editor of the Scientific American

Acoustic Attractions

The Lowe Gas Process at the PhiladelPhia Gas Works

Change of Volume of Electric Conductors

Corals from Peru, Nearly Three Thousand Feet above the Sea-Level


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