
Volume 68, Issue 1762supp
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Features
Platinizing or Platinum Plating
The Various Methods Pursued
The Analytic Eye and the Synthetic Ear
The Contrast between the Senses of Sight and Hearing
Theory and Practice of Illumination
Some Practical Considerations
Processes for the Fixation of Atmospheric Nitrogen
Lightning and the Airship
The Dangers of Atmospheric Electricity in Aeronautics
The Perception of Light in Plants
The Eighth Satellite of Jupiter
The Tunnel under the Detroit River
A Wonderful Engineering Achievement
Telephones for Peking
An Electrical Innovation in an Ancient City
Sterilization of Water and Milk with Ultraviolet Rays
The Structures of the Stone Age
How the Great Megalithic Monuments were Probably Erected
The Role of Visual Function in Animal and Human Evolution
The Effect of Carbon Dioxide on Fishes
The Age and Growth of Fishes
The Results of Recent Marine Investigations