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A "Photogrammetric Gun" for Making Surveys in a Balloon

A New Use for Good Marksmanship

Making the "Tractioneer"

The Successor of the Old-time Thresherman—Schools Where Traction Engineering and Farming are Taught—"Tractioneers" Who Earn from $100 to $200 a Month

By Lynn W. Ellis

Our Good Roads Number, Transatlantic Wireless Telegraphy Without Antennas

How the Scientific Farmer Fertilizes His Soil

Laboratory Methods Applied to Agriculture

By W. H. Beal

Fire Waste and Its Prevention

A Great National Question

By Edward F. Croker

The Rural Motor Vehicle

What Gasoline Means in Agriculture

By Ernest Lincoln Ferguson

How Germany Handles the Labor Question--III

Solving Labor Problems Scientifically

By Waldemar Kaempffert

The Smudge Pot and Its Work

A New Invention to Prevent the Destruction of Fruit by Frost

By Frances Lynne

The Model Boat "Froude"

Studying Naval Architecture in a New Way

By John Ritchie Jr.

The Curtiss Flying Boat

Description of an Improved Type of Hydro-aeroplane

By Frank T. Searight

Curiosities of Science and Invention

Photographs in Natural Colors on Paper

By the Paris Correspondent of the Scientific American

Grafting Pecan upon Hickory

By Isaac Motes

Raising a Roof For a Rainy Day

By Franklin O. King


  • Recommended

    New Books, Etc. - February 10, 1912

  • Departments

    Correspondence - February 10, 1912

  • Notes and Queries - February 10, 1912

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