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Improved Gold-Reducing Machinery

Mining Flumes

Suggestions for Constructing Fire-Proof Buildings

By Isaac P. Noyes

Sir W. Armstrong on National Defense

The Welland River Foot Bridge

Gas vs. Steam as Motive Power

Detailed Cost of a Locomotive

New Docks at Milford

A New Machine for Testing the Strength of Silk Fiber

Artistic Rag Carpeting

A New Electrical Storage Battery

Faure's Secondary Pile

The Dissociation of Chemical Compounds

The Physiological Action of Coffee and Sugar

The Physiological Action of Coffee and Sugar



On the Harm Done by Earth-Worms

On Manure Phosphate

By K. Walter

A Sheep-Eating Parrot

Hyacinth Bulbs

By Grant Allen

Cultivation of the Ramie Plant

The Monuments and Inscriptions of American History

The Desert of Sahara

A Glimpse through the Corridors of Time

By Robert S. Ball

The South Carolina Phosphate Mines


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