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Features

Fireproof Steel and Brick Grain Elevator

Economy in Details

A Year of Plenty in Kansas

Famous Engineering Landmark to be Removed

The Limits of Human Speed and Endurance

Probable Solution of the Armor Plate Question

The Possibilities of High Speed Electric Traction

The Lasso

Copyright Injustice

Dustless Buildings

By C. J. Woodbury

Lieut. Peary Receives a Ship

A Stovepipe Holder

The Pierce Pneumatic Cushion Bicycle Frame

A Novel Monkey Wrench

The Beelin Aluminum Balloon

Repairing the Leak at Dry Dock No. 3, Brooklyn Navy Yard

New Method of Manufacturing Heavy Ordnance

Departments

  • Letters

    Correspondence - December 25, 1897

  • Recommended

    New Books, Etc. - December 25, 1897

  • Departments

    Recently Patented Inventions - December 25, 1897

  • Business and Personal - December 25, 1897

  • Notes and Queries - December 25, 1897

  • Index of Inventions - December 25, 1897

  • Index - December 25, 1897

  • Patents - December 25, 1897

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December 25, 1897

Beyond XX and XY

Biology. Identity. Equality.

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