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Features

Many-Color Printing Press

Working Classes in Southern Italy

Kingdon's Patent Compound Engine

Shearing Strengths of Some American Woods

By John C. Trautwine

Fleuss's Diving Apparatus

By B. W. Richardson

Simple Pantograph

Siemens' Electric Railway

New Applications of the Dynamo-Electric Current

Obelisks as Lightning Conductors

House Drainage

Rawdon House, Hoddesden, Etc.

The Brussels National Exhibition

American Silk Manufacture

Silkworm Culture in America-Why it has Always Failed

A New Method for Producing Transparencies Direct in the Camera; Also for the Reproduction of Negatives (Reversed or Otherwise) Without the Aid of a Transparency

On Virulent Diseases, and Especially on the Disease Commonly Called Chicken Cholera

By M. Pasteur

The Physical Signs Derivable from the Breath, Lips, Teeth, and Mouth

Crude Petroleum in Consumption

Dr. Tanner's Forty Days' Fast

Boracic Acid in Inflammations of Mucous Membranes

The Hay Fever Philosophers

Aphasia

The Eider Ducks at the Berlin International Fisheries Exhibition

Bladders of Fishes

How to Build Silos

Action of light on Vegetation

Currant Worms

Successful Tea Raising in Georgia

Cheap Manure for Gardens

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    August 21, 1880

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