Scientific American Magazine
Volume 63, Issue 11You are currently logged out. Please sign in to download the issue PDF.
Features
Important Tests to be made of Heavy Armor Plating
A Convenient Sponge for Cleaning Slates
An Artificial Lake and Water Slide
An Improvement in Locks and Keys
An Improved Slide Valve for Engines
An Improved Knife Sharpener and Polisher
A Coal Elevator for Railway Service
Photographic Notes- September 13, 1890
The Meeting of the Great Shields of the St. Clair River Railway Tunnel
Work of Amateur Electricians
New Form of Towing Steamers
A Swinging Hydraulic Capstan
Killing Large Sunfish with Firearms
The Kola Nut
Engine Pounding--Ways of Stopping It
The Scientific Use of Common Things
Departments
Correspondence- September 13, 1890
Notes and Queries- September 13, 1890
Recently Patented Inventions- September 13, 1890
To Inventors- September 13, 1890
Business and Personal- September 13, 1890
Index of Inventions- September 13, 1890
