Conservative Conservation, Grade Crossings Should be Automatically Guarded, and more

Engineering- September 17, 1910

Aeronautics- September 17, 1910

Science- September 17, 1910

Foucault's Pendulum Electrically Propelled

Game Farming

How the Government Fights Forest Fires

Rules Governing the Competition for the $15,000 Flying Machine Prize Offered

The Harvard Aviation Meeting

A Record Day by Day

Magic for Amateurs--X

Miscellaneous Tricks

Investigating the Sleeping Sickness of Uganda

By The English Correspondent of the Scientific American

Drop Hammer for Small Shops, A Wiggler or Telltale for Centering Work

Reloading Tools and Bullet Molds

Hack-Saw Attachment for Lathes

Serviceable Screw-Thread Corrector

Simple Motor-Cycle Stand

As to Boring Holes in Wood

Scroll Saw Hints

Making Parallel Cuts