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Wegmann's Porcelain Cylinder Mill

The Iron Railway Bridge Over the Saint Leger Valley, France

Wheel and Rail for Common Roads

Improved Reversible Lifeboat

The New Palace of Fine Arts at Rome

Collecting and Working-Up Photographic Residues

Practical Methods of Intensifying Gelatine Plates with Silver

Field Telegraph without Battery

The Quadrant Electrometer

A Review of the Doctrine of Ether Waves and of the Material Nature of Light

By Ellen R. Prescott

Extraction of the Precious Metals from all Kinds of Ores by Electrolysis

By Blas and Miest

The Chemistry of Lignification

By C. F. Cross and E. J. Bevan

The Analysis of Milk


By Francis Delafield

Bee Culture in India

Cypripedium Sedeni X

Trotting Statistics

The Big Winners

The Devil's Pit

By John D. Parker

British Columbia—Its Climate, Resources, and People

Nutritive Value of Skim Milk

By J. Konig


Sulphur in Italy

Tellurium in Copper

By T. Egleston


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    March 24, 1883

    20% Sitewide for President's Day