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

Our Good Roads Number, Transatlantic Wireless Telegraphy Without Antennas

How the Scientific Farmer Fertilizes His Soil

Laboratory Methods Applied to Agriculture

Fire Waste and Its Prevention

A Great National Question

The Rural Motor Vehicle

What Gasoline Means in Agriculture

How Germany Handles the Labor Question--III

Solving Labor Problems Scientifically

The Smudge Pot and Its Work

A New Invention to Prevent the Destruction of Fruit by Frost

The Model Boat "Froude"

Studying Naval Architecture in a New Way

The Curtiss Flying Boat

Description of an Improved Type of Hydro-aeroplane

Curiosities of Science and Invention

Photographs in Natural Colors on Paper

By the Paris Correspondent of the Scientific American

Grafting Pecan upon Hickory

Raising a Roof For a Rainy Day