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The South American Pavilion at the Paris Exhibition

New York as a Manufacturing City

Steam-Boilers for very High Pressures

Stone-Dressing Machine at the Paris Exhibition

Tank Locomotive at the Paris Exhibition

The Carillons at the Paris Exhibition

Spontaneous Combustion

By Joseph Williams

Portable Cylinder Boring Machine

Wire Ropes as Substitutes for Chain Cables

By G. L. Abegg

Combined Condenser and Feedwater Heater

Long Span Railway Bridges

An Improved Form of Marquoi's Scale

By Wm. D. Marks

Grass Burning Stoves

Folding and Perforating Machinery

Electro-Harmonic Telegraphy

By F. L. Pope

The Constitution of the Sun and the Earth

Illumination by Electricity

By J. Jamin

Royal Astronomical Society.—The Transit of Mercury

Explorations in Samothrace

New Mound Discoveries in Missouri

By C. W. Stevenson

What a Spider Eats Per Diem

The Origin of the Lowest Forms of Life

Dr. Levis' Extension Apparatus

The Relations of Dyspepsias with Constitutional Diseases

By J. Cornillon

Formulas for Fertilizers

Abortion in Cows

By L. Frank

Potash in Agriculture

A Fruit Evaporator

Obligations to Commerce

To Exterminate the White Daisy

Grape Culture

Importance of the Catalpa Tree for Economic Planting

By C. S. Sargent

Letters from the Paris Exhibition

French Exhibits of Trained Fruit Trees

Decomposition of Ultramarine by Carbonic Acid

By S. Suguira

A Good Deal of Pork for a Shilling

Equivalent of Gallium

By Lecoq De Boisbaudran

New Compound of Palladium

By H. Sainte-Claire Deville and H. Debray

Aurin

By R. S. Dale and C. Schorlemmer

Grand Problem Tournament of the American Chess and Problem Association of 1878

Mr. George Walker, of London

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    July 13, 1878