Features
Recent Developments in Motor Coaches upon British Railroads
By the English Correspondent of Scientific American
An Improved Method of Packing the Cylinder Head of a Gasoline Engine
Zoelly Explosion Gas Turbine
The Tolli Spring Governor
An American Phonetic Laboratory in Germany
Metals in the Atmosphere
Venom in Reptiles' Eggs
The Demagnetization of Watches
A Motor Paddlewheel for Small Boats
The Production of Petroleum in 1904
A Thermostat for Amateurs
A Glass of Madeira
Experiment with Electric Spark
Imaginings in a Mountain Observatory
Mortars and Cements
Alterno-Rotative Gasoline Motor
By the Paris Correspondent of Scientific American
