Features
G. Stanley Hall
An American Leader in the Science of Human Nature and Its Education
Drawing Maps from Nature
The plane-Table and its use
The Total Solar Eclipse of 1911
The Moon's Shadow Traces a Course from Australia to Central America
Science in the Current Periodicals
In this Department the Reader will find Brief Abstracts of Interesting Articles Appearing in Contemporary Periodicals at Home and Abroad
Battleship versus Destroyer
The Struggle Between the Big Gun and the High-speed Torpedo
The Gordon Bennett International Aviation Trophy
A New Aeroplane Passenger-carrying Record
Louis Breguet's Feat of Transporting 11 People 3 Miles Across Country. Description of the Machine
An Adjustable Rose Reamer
How to Rebore a Crank-pin Hole in a Locomotive Driving-wheel
Removing a Broken Handle from an Ax Head
Light Fixture for a Shipping Room
A Novel Pipe Wrench
Removing Old Boiler Tubes, A Handy Drill Socket and more
Direct-Indirect Lighting Fixtures, Fan on Grinder Spindle and more
The Inventor's Department - April 22, 1911
Simple Patent Law; Patent Office News; Inventions New and Interesting
Lakes Tipped by Winds, Aeronautics
Departments
- Letters
Correspondence - April 22, 1911
- Recommended
New Books, Etc. - April 22, 1911
- Departments
Recently Patented Inventions - April 22, 1911
Notes and Queries - April 22, 1911