Scientific American Magazine
Volume 50, Issue 21You are currently logged out. Please sign in to download the issue PDF.
Features
A New Cable Railway System
Steam at a Thousand Pounds Pressure
Elasticity of Leather Belts
Nails
Improved Lifting Jack
Folding Staircase
Gravimotor
Design for a Parlor Organ
Bartholdi's Statue of Liberty
Zschiesche's Hydraulic Motor
The Doctrine of Evolution, An Antique Roman Mosaic from Carthage
Thompson's Bleaching Process
Dr. Le Plongeon's Latest and Most Important Discoveries Among the Ruined Cities of Yucatan
A New Ship Cleaner
Improved Form of Bell
Boiler Flue Cleaner
Agricultural Inventions - May 24, 1884
Miscellaneous Inventions - May 24, 1884
Engineering Inventions - May 24, 1884
Mechanical Inventions - May 24, 1884
Departments
Correspondence - May 24, 1884
Business and Personal - May 24, 1884
Notes and Queries - May 24, 1884
Index of Inventions - May 24, 1884
