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The Nature of Invention

How it is Governed by Evolution

By J. L*amp*ouml;wy

The Nature of Invention

How it is Governed by Evolution

By J. L*amp*ouml;wy

Mesothorium and Radiothorium

Mesothorium and Radiothorium

Aeroplane Under-carriaǵes

Some Recent Designs

Mechanical Handlinǵ of Materials

The Progress of Recent Years

By Richard Devens

Mechanical Handlinǵ of Materials

The Progress of Recent Years

By Richard Devens

A New Gas Machine

Use of Gasoline for Production of Gas for Light, Power and Heat

Moving Houses in Germany

An American Idea Transplanted

By A. F. Bock

Moving Houses in Germany

An American Idea Transplanted

By A. F. Bock

Giant Gas Enǵines and Blowinǵ Tubs

Giant Gas Enǵines and Blowinǵ Tubs

Heatinǵ and Ventilatinǵ the Yarrow Home

A Series of Interesting Experiments

Heatinǵ and Ventilatinǵ the Yarrow Home

A Series of Interesting Experiments

The Bee as an Enǵineer

The Structure of a Piece of Honeycomb

By A. H. Godard

The Bee as an Enǵineer

The Structure of a Piece of Honeycomb

By A. H. Godard

Diesel Marine Enǵines—II

A Resume of Recent Performances

By Herr Th. Saeuberlich

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    May 27, 1911

    Think Outside the Gift Box