The Problem of the Meat Supply
How will the Demand of the Future be Met?
Features
Progress in Wireless Telephony
Freedom from Wave Distortion an Advantage Over Ordinary Telephony
A New Steam Meter
Recent Discoveries in Physical Science—IV
The Mechanism of Metallic Conduction of Electricity
Demand for More Universities in Germany
The Recent Motor Boat Races at Monaco
South African Fossil Reptiles
Fossils Excavated from the Blue Shales of South Africa Prove Reptiles to be the Ancestors of Mammals
Effect of Electrical Engineering on Modern Industry
As Steam Locomotives Revolutionized Material Traffic, Electric Transmission is Reforming Energy Distribution
Drawing Cartridge Cases
Machines, Dies, Tools and Methods Used by the Frankford Arsenal
On the Relation of Mathematics to Engineering
Anticipating the Needs of the Engineer of To-morrow
