
Eliminating the Flicker From the Moving Picture
A New System of Motion Picture Projection

Eliminating the Flicker From the Moving Picture
A New System of Motion Picture Projection

Labor-saving Appliances of the Modern Great Hotel
Housekeeping on a Manufacturing Scale, where Mechanical Devices are used for Everything, from the Boiling of an Egg to the Rolling of a Butter Ball

Suspension Insulators Suitable for 110,000-volt Transmission
Tests Showing the Weaknesses of Standard Types

Magnetic Chucks for Machine Tools, Microscopic Crystal Forms as Suggestions for Designers and more

Inventions New and Interesting - September 7, 1912
Simple Patent Law; Patent Office News; Notes on Trademarks

The Junkers Oil Engine
A New Type of Motor on the Diesel Principle

What is a Hydroplane?
The Evolution of a new type of Craft

Charles Proteus Steinmetz: An Appreciation
A Great Electrical Engineer

Lamps of To-day
Some Recent Improvements in Artificial Light Sources

How Sugar is Tested
Polarized Light and the Saccharimeter

The Mail-handling System at the New Pennsylvania Railroad Station, New York City

Thomas A. Edison's Latest Invention
A Storage Battery Designed and Constructed from the Automobile User's Point of View

The Cooper Hewitt Light-Transforming Reflector

Electric Hot-Water Supply System

The Inventor's Department- October 29, 1910
Simple Patent Law; Patent Office News; Inventions New And Interesting