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Somerville Hall, Oxford

Our Scientific Service

Sources of Ivory

Nail-Makers in the Black Country

A Historical Clock

The Floating Dock at Saint Nazaire, France

Apparatus for the Carbonization and Distillation of the Residua of Beet-Root Molasses

Chilian Man-of-War New Esmeralda

Koerting's Aspirato-Condenser

Oil Mill Machinery

A small Oscillating Motor for Actuating a Pump

Megy's Totalizing Dynamometer

Recent Boiler Explosion in Cincinnati

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

By Ellen R. Prescott

Mr. Edison on Storage Batteries

Photo Light Equalizer


By T. C. White

Amount of Tannin in the Bark of some of the Trees of the United States

The Fire Risks of Malting, Fermentation, Sizing, and Dyeing

The Medical uses of Music

By George L. Beardsley

Flowers in Winter Quarters

The Sunflower

Spiræa Flagelliformis

The American Museum of Natural History, New York City

By L. P. Gratacap


Unpleasant Taste from Wooden Vessels


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