Scientific American Magazine
Volume 61, Issue 20You are currently logged out. Please sign in to download the issue PDF.
Features
The Electric Tachyscope
The National Maritime Exhibition
An Important Invention Wanted
The Purity of the New Water Supply for New York
An Improved Fireplace and Heater
Dry Battery
An Improved Lamp Extinguisher
An Improved Dough Mixer and Kneader
An Improved Boot or Shoe Heel
An Improved Watch Case Pendant
An Improved Refrigerator
Improved Shield for Firemen or Stokers
An Improved Fire Escape
Ten Ton Traveling Crane
An Improved Road Grader
Departments
Correspondence- November 16, 1893
Recently Patented Inventions- November 16, 1893
Business and Personal- November 16, 1893
Notes and Queries- November 16, 1893
To Inventors- November 16, 1893
Index of Inventions- November 16, 1893
