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A Newly Discovered Portrait of Mozart

Vocal Physiology and Systematic Voice Training for the Prevention of Dieses of the larynx

By J. Walter Park

A Visit to the Havemeyer & Elder Refinery, Brooklyn

By A. Herzfeld and W Bartz

American Life and Physical Deterioration

The Moral Effects of Physical Exercise

Mahler's Calorimetric Shell

Physics at the British Association

A New Sclerometer

The Chloride Electrical Storage Battery

By Herbert Lloyd

A New Method of Electric Culture

The Austro -Hungarian Maneuvers—Construction of the Great Bridge across the Danube

Transmission of Power

By R. S. Allan

Who Invented the Screw Propeller?

On Rainmaking

By Alexander Macfarlane

The Invention of Lucifer Matches

Restorations of the Pantheon of Rome

Chemistry at the British Association

The Brazilian Revolution

The Dance of the Soap Bubbles

Whalebone and Whalebone Whales

By R. Lydekker

Insects Injurious to Forest Trees

The Kadamba Tree

A Poisonous Fungus


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