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Features

Alaska

By Sheldon Jackson

New Statue of Columbus

Revolution in Coal Hauling

The Fastest Trains in Europe and America

By A. L. Rotch

Chicago Cable Roads

By D. J. Miller

Improved Sizing Machine

The Moving of Large Masses

The Panama Canal

A Doubling Arrangement for Flax

Apparatus for Descending into Mines

A Problem in Atomic Physics

By J. Tyndall

Paupier's Bagging Scales

New Method of Guiding the Tool in an Oval Lathe

Machine for Weighing and Classifying Zincs

Domestic Electricity

Long Distance Speaking

Improved Form of Battery Cell

The Electric Tricycle

A New Developer for Gelatine Plates

By M. Chardon

Automatic Telegraphy

The American Rapid Telegraph Company's System

A Convenient and Delicate Test for Albumen

Report on the Adulteration of Essential Oils

Japanese Oil of Peppermint and Menthol Crystals

Emulsion for Opal Printing

Apparatus for the Production of Oxygen by Dialysis of Atmospheric Air

The Alcohol Habit

By William B. Carpenter

A Lesson in Comparative Zoölogy

By Hubbard W. Mitchell

Brain Health

A Theory of Solar Spots

The Comet's Head

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January 13, 1883

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