The Evolution of Matter
Successful Flight of an Aeroplane Constructed After Langley's Model
Searching for Parasites to Fight Fruit Pests
A Forgotten Masterpiece--the Rittenhouse Orrery and Its Maker
The Quebec Bridge Disaster
The New Turbine Liner "Lusitania"
One of the Competing Aeroplanes for the Scientific American Aeronautical Trophy
The Scientific American Trophy for Flying Machines Heavier than Air
A Novel Advertising Device
Cushioned Car Wheel
Improved Pole-Climbing Shoe
Recently Patented Inventions
Notes and Queries
Index of Inventions
New Books, Etc.