Features
Trade Marks on Copyrighted Works
Chains Versus Cables in the Manhattan Bridge
Magnetic Survey of the North Pacific Ocean
Another North River Tunnel
Is Radium the Cause of the Sun's Heat and Light?
Patents for Exported Articles—Practical Advice to Manufacturers
Vanderbilt Cup Elimination Trials
The Current Supplement
Pie-Making by Machinery
An Early Typewriter
High-Speed Steam Yacht and Power-Boat Races
180-Ton Shear Legs for the British Naval Dockyard
Heliotropism Induced by Radium
The Making of a Felt Hat
Evolution of the California Clam-Shell Dredger
Combined Rack and Adhesion Locomotive for South Africa
Littlefield and the Artificial Creation of Life
A New Method of Identifying Criminals
A New Apparatus for Automatically Making and Breaking an Electric Circuit
A New Projection System for Lectures
A Novel Device for Preventing Automobiles from Skidding
Business and Personal Wants
Departments
- Departments
Notes and Queries
Recently Patented Inventions - September 30, 1905
New Books, Etc. - September 30, 1905
Index of Inventions - September 30, 1905
Patents - September 30, 1905