Scientific American Magazine
Volume 87, Issue 7You are currently logged out. Please sign in to download the issue PDF.
Features
Some Further Gunnery Experiments with the "Belleisle"
Mid Ocean Wireless Telegraph Station
New Method of Armor Plate Making
Needless Annoyances in Ferryboat Travel
The Amount of Water Used in Irrigation
How Ostrich Feathers are Culled
Military Photography
The De Forest System of Wireless Telegraphy
A Smokeless Automatic Stoker
A Group of Indian Masks
Mont Pelée in Eruption
Patent Department
Improved Grain Door
Heater and Boiler
System for Ventilating Tunnels
Departments
Recently Patented Inventions - August 16, 1902
Business and Personal Wants
Index of Inventions - August 16, 1902
New Books Etc. - August 16, 1902
Notes and Queries - August 16, 1902
Patents - August 16, 1902
