What 14,000 Kilowatts Means
A Graphic Comparison
Volume 69, Issue 1778supp
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Features
The Potentialities of the Airship in Warfare
Marine Propulsion by Electric Motors
The Plan Of MR. H. A. Mavor
Registering Letters by Slot-Machine
A New French Automatic Contrivance
French Experiments on the Effect of Shells in Naval Warfare
Bottled Liquid Gas for Balloons
Liquid Hydrogen and its use in Aeronautics
Instantaneous X-Ray Photographs
Mineral Oils Mixed with Concrete
Some Interesting Possibilities
Serum Therapy
How Serums are Employed in Modern Medicine
An Old-Time “Taxi-Cab.”
A Chinese Anticipation of a Modern Invention
Excavations at Corbridge
Luminous Photographs
Miniature Art of Nature and Science
The Beauty Revealed by the Microscope
Halley'S Comet
Suggested Observations
The Effect of Light and Ultra-Violet Rays
The Optical Method of Studying Immunity to Bacterial Diseases
How to Prove that you Reached the Pole
The Scientific Preparation and Examination of Records
Ignition Velocity and Efficiency of Explosion Motors
Hydraulic Motors and Pumps
Prof. Hele-Shaw'S Latest Inventions
Is Eternal Life Possible on the Earth ?
The Vitality Of Seeds
Industrial Fellowship in University Work
Co-Operation Between Universities and Manufacturers