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International Fishery Exhibition, Berlin

American Bacon and Pork

The Electric Eel

Coal-Getting Machine

The Railway up Vesuvius

The Food of Birds

Intelligence of Seals

An Interesting Experiment

On the Adhesion of Belts

By J. H. Cooper

David's Improved Draughting Templet

Popular Fallacies in Engineering, and How to Meet Them

By Henry Morton

New Gas Soldering Iron

Direct-Bolting Portable Mills (Aubin's System)

Experiment of MM. Lontin and De Fonvielle

By M. Jamin

New Enlarging Lens for Magic Lantern

Wind Pressures

Development of Acetic Acid in Beer

Washington Territory

The Durability of Gutta Percha

Nitrogen in Iron and Steel

A Hawaiian Almanac

The South Pacific Islands

The Preservation of Timber

By J. W. Putnam

New Experiments on Magnetic Attractions

By M. Ader

The Cultivation of Barley

Alders for the Lawn

The Stranger within thy Gates

Stimulating Drinks

An Advance in Therapeutics

Forest Trees of North America

By Charles S. Sargent

A Quick Test for Aloes

Man Prehistoric, Present, and Future

Unseen Enemies


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    July 10, 1880

    Confronting Common Wisdom