Features
Progress on the Erie Canal
Government Investigation of RailRoad Accidents
Comparative Economy of Producer Gas and Steam
Preservation of Steel Work in Tall Buildings
Glasgow and Municipal Ownership
Science Notes
The Current Supplement
Making Artificial Flowers
How to Study a Star Map
A Hydraulic Air-Compressing Plant
Wooden Cars in a Railroad Wreck
Tablet Writings from the Ruins of Nippur
Leduc's Artificial Plants and Cells
Carborundum and Silicon Detectors for Wireless Telegraphy
An Experiment in Acoustics
Special Camera for Copying and Enlarging
Departments
- Departments
Correspondence - March 16, 1907
Recently Patented Inventions - March 16, 1907
Notes and Queries - March 16, 1907
New Books, Etc. - March 16, 1907
Index of Inventions - March 16, 1907
Patents - March 16, 1907