Fuel and Water Consumption on the Lusitania

Pushing a Good Principle too Far

Canals as Rate Regulators

Poisonous Eggs

What the Glidden Tour Proved

The Color of Water

A New Sensitive Micro-Electroscope

Electric Heating Fabrics

Novel Commercial Vehicles in the Recent French Test

How Eclipses Occur

The Magic Sphere

The Museum of Patent Office Models

The Modern Taxidermist and His Art

Business and Personal Wants

Read This Column Carefully.--You will find inquiries for certain classes of articles numbered in consecutive order. If you manufacture these goods write us at once and we will send you the name and address of the party desiring the information...