Scientific American Magazine
Volume 80, Issue 20You are currently logged out. Please sign in to download the issue PDF.
Features
Loss of Speed in Warships
The Electrical Exhibition
"Magazine Science"
Potassium Chloroplatinite
Death of Prof. Buechner
The Gatemann Shell Tested
The Proposed Universal Day
A New Hay or Grain Rack
The New Locomotives for the Midland Railway
An Automatic Safety Appliance for Railroads
An Improved Pruning Implement
A Wrench for Tire-Bolts
A Pitman-Head for High-Speed Machines
A Coupling for the Air-Pipes of Railway-Cars
A Bedstead for Invalids
Manufacture of Krag-Jorgensen Rifles at the Springfield Armory--II
The Physiology of Man on the Alps
An Abnormal Growth of Hair on a Horse
An Ingenious Reversing Mechanism for Machine Tools
To Inventors - May 20, 1899
Departments
New Books, Etc. - May 20, 1899
Recently Patented Inventions - May 20, 1899
Notes and Queries - May 20, 1899
Business and Personal - May 20, 1899
Index of Inventions - May 20, 1899
Patents - May 20, 1899
