Tests of Vacuum Cleaner Apparatus
Comparison of the Performance of Different Nozzles and Pumps
Features
An Example of Motion Study
And Some General Reflections on the Subject
The Tatin-Paulhan Aero-Torpedo
A Successful Rear-propeller Machine
Temperature and the Properties of Matter
From Absolute Zero to Six Thousand Degrees Centigrade
Some Japanese Scientists
Prominent Figures in the Renaissance of the East
The San Joaquin Hydro-electric Power Installation
Industrial Developments in India
American Enterprise on British Soil
Cold Storage of Furs and Fabrics
The Modern Method of Preserving Goods from the Attacks of the Moth
The Body Shape of Fishes
Water Pressure as the Determining Cause
The Fine Adjustment of Microscopes
Some of the Principal Modern Types
Baldness and Grayness
Their Cause and Prevention
The Manufacture of Balls for Ball Bearings
There Are Four Distinct Stages in the Process