Scientific American Magazine
Volume 60, Issue 20You are currently logged out. Please sign in to download the issue PDF.
Features
The Washington Bridge, New York City
A Remarkable Ocean Voyage
The Marine Conference
An Improved Radial Tube Boiler
Improved Truss for Buildings or Bridges
Improved Knife for Printers' Use
An Improved Cut-Off Valve Gear
An Improved Thill Coupling
Band Cutter Platform for Thrashing Machines
An Improved Folding Book Case
Making Carbon Rods and Plates
An Improved Fish Trap
An Improved Automatic Injector
The Total Eclipse of the Sun at Lick Observatory
The Otis Elevators at the Paris Exposition
The Universal Exposition of 1889
The Eiffel Tower
Photographic Notes- May 18,1889
To Inventors- May 18,1889
Departments
Recently Patented Inventions- May 18,1889
Business and Personal- May 18,1889
Notes and Queries- May 18,1889
Index of Inventions- May 18,1889
