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The Electric Light

John Penn

The New Harbor at Boulogne

New Marine Governor

Water-Tight Doors for Ships

Fog Signals

By J. R. Wigham

Improvement of Prairie Roads and Streets

By T. J. Nicholl

The Educational Value of Chemistry

By Maxwell Simpson

Oxychloride of Zinc as a Dental Filling—Combination and Therapeutic Action of Some Filling Materials

By D.D. Smith

Diseases of the Diaphragm

Eucalyptus in Ague

Food Products.—Paris Exhibition

Mummy Head and Egyptian Antiquities from Thebes

The Electric Stop Motion

By W. H. Bailey

Notes on a Collection from the Ancient Cemetery at the Bay of Chacota, Peru

By John H. Blake

Ancient Pottery Found in Missouri Mounds

By A.J. Conant

The Rice Paper of China

The Berlin Paper Exposition of 1878

Oriental Style as Applied to Fabrics

Deterioration of Oil Paintings

Dry Plate Process of M. Andrieux


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