Features
Key-Extracting Device
Acetylene, Alcohol, and Power
The possibilities of acetylene as a motor fuel
Fence Posts Made Durable
Making Low-Priced Machines
Suggestions for the Founder
Elements of Electrical Engineering.—XI
Direct Current Systems of Distribution.
Submarine Cables Vs. Wireless Telegraphy
The Effect on the Living of the Great Epidemics of Plague
The Explosion of Gases
A Study in Detonation
A New Subway in Paris
Alternating Currents and Magnetism
A New Element Lutecium
Obtained by sputting up marignac's Ytterbium
Industrial Accidents and Dependency
The Aniline Dye Industry
How it abeg and how it has developed
Detection of Cane Sugar in Plants by Means of Invertin
Sulphurous Acid and the Sulphites as Food Preservatives
Make-Believe Flowers
A Case of adaption to existing Conditions
The Fishes of the Deep Sea
Strange life forms near the ocean's bottom
How Quartz Crystals Form
Their physical nature and chemistry