Features
A New Explanation of Raised Ocean Beaches
Competition in Submarine Construction
New Transatlantic Records
The Use of the Cinematograph in Medicine
Reinforced Concrete in Shipbuilding
Death of John Burry
The Current Supplement
How to Take Advantage of Variations in Rates of Gas and Electricity
The First Successful Trial of a New American Aeroplane
Water Vapor on Mars
The Largest Fresh-Water Dock in the World
The Fourth Dimension Simply Explained
A Unique System of Illumination for Harbor Channels
The Mutual Relations of Geometry and Mechanics and Prof. Reuleaux's Mechanical Movements
Photographs with Tapestry Effects
Bell Piano
Combined Chair and Cabinet
Combined Steam and Hot-Water Heating Apparatus
An Improved Railway Spike
Ax Attachment for Sawing Logs
Oddities in Inventions
Departments
- Departments
Recently Patented Inventions - March 21, 1908
Notes and Queries - March 21, 1908
New Books, Etc. - March 21, 1908
Index of Inventions - March 21, 1908
Patents - March 21, 1908