Features
Alternative Schemes for the Panama Canal
Electro-Technical Industries
We Should Use the Metric System
Some Costly Eggs
Floating Depot for Coaling Warships
Proposed Excavation of the Panama Canal by Floating Dredges
A Rational Method of Cooling Gas-Engine Cylinders
Bromelia Fiber
A Chair Designed for the Prevention of Seasickness
A New Composing Machine
Historical Photograph from the Sea of Japan
An Improved Form of Telephone Instrument
Improved Cushion Sole for Shoes
Clothes-Line Support
Adjustable Window Ventilator
Business and Personal Wants - January 20, 1906
Departments
- Departments
Correspondence - January 20, 1906
Recently Patented Inventions - January 20, 1906
Notes and Queries - January 20, 1906
Index of Inventions - January 20, 1906
New Books, Etc. - January 20, 1906
Patents - January 20, 1906
