The Abatement of Locomotive Smoke
Five Methods are Available to Mitigate Existing Conditions
Volume 76, Issue 1979supp
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Features
Engine Starters for Aeroplanes
Orchids and the Evolution of the Species
The “Kangaroo”
Transport Ship for Submarines
Practical Guinea Pigs
Giant Tadpoles
New Units in Aerology
The Frick Electric Steel Induction Furnace
Results Achieved at the Krupp Plant at Essen
The Vegetable Riches of Morocco
Sleep
“O sleep! it is a gentle thing, beloved from pole to pole”
The Fertility of the Carp
Architectural Plan of the Panama-Pacific International Exposition
Conceptions Symbolized by the Buildings and their Arrangement
Intervention of the Number π in the Relations between Atomic Weights
The Condensation of Gasoline from Natural Gas
About Two Hundred Plants in Operation in the United States
The Light Energy Required to Produce the Photographic Latent Image
Dwarf Plants and Monstrous Flowers
Wireless Telegraphy Stations
Ernest Solvay, Soda King
Great as Inventor, Sociologist, and Philanthropist
The Last Two Comets
Meteorites
The Carriers of Messages from Other Worlds
Practical Applications of Temperature Measurement
Selecting the Proper Type of Thermometer for Different Uses