Scientific American Magazine
Volume 19, Issue 7You are currently logged out. Please sign in to download the issue PDF.
Features
Improvement in Cooling Mill Stones and Flour, Learning to Telegraph, and more
Future Prospects of Machine Manufacturing in Russia
Foote's Patent Porcelain Lined Ice Pitcher
The Ainos, or Hairy Men of Yesso and Saghalien
Capewell's Revolving Carriage Wheel Fender and Step
The Balance
Thomas & Raymond's Patent Adjustable Ladder
Manufacturing, Mining, and Railroad Items
Editorial Summary
Recent American and Foreign Patents
Answers to Correspondents
Perseverance One Great Element of Success
The New Commissioner of Patents
Preservation of Brick Structures
Athletic Sports and Collegiate Institutions
Water on the Planets
Sub-Marine Exploration -- The Wreck of the Frigate Hussar
Care of Grindstones
What Constitutes a Great Inventor
Patents and Claims
The Atlantic Cable
Planchette
Extension Notices
Departments
Correspondence
Business and Personal