Scientific American Magazine
Volume 55, Issue 17You are currently logged out. Please sign in to download the issue PDF.
Features
Hilgard's Design for a Steel Arch Bridge at Minneapolis
Twine
Photographic Notes
Seal Lock
Car Coupling
Soldering Case
Metallic Spring for Suspenders
Improved Pail Ear
Floods in India
Tunneling by Freezing
Polarized Light
Practical Applications of the Polariscope
M. Hopkins
The Quadrumana
The Water Tower at Victoria, Texas
Torricelli's Principle and Mercury Fountain
Engineering Inventions - October 23, 1886
Agricultural Inventions - October 23, 1886
Mechanical Invention - October 23, 1886
Miscellaneous Inventions - October 23, 1886
To Inventors - October 23, 1886
Departments
Correspondence - October 23, 1886
Index of Inventions - October 23, 1886
Business and Personal - October 23, 1886
Notes and Queries - October 23, 1886
