Scientific American Magazine
Volume 49, Issue 22You are currently logged out. Please sign in to download the issue PDF.
Features
The Great Cantilever Bridge Over Niagara River
The Use of Argol in Dyeing
Aspects of the Planets for December
Bacterial Disease of the Imported Cabbage Worm
Barrel Pump
Slotting Shears
Cultivator
Box Fastener
A New Disk Fan or Exhauster
Fire Escape
Locomotive Electric Lights
The Canadian Porcupine
Young Marmosets
Carpet Fastener
Miscellaneous Inventions
Insurance
Engineering Inventions
Mechanical Inventions
Financial
Agricultural Inventions
Manufacturing Notes
Departments
Business and Personal
Notes and Queries
New Books and Publications
Index of Inventions