Scientific American Magazine
Volume 15, Issue 17You are currently logged out. Please sign in to download the issue PDF.
Features
Improved Elevator for Mines
West Albany Locomotive Works
The Worcester Mechanics' Fair
Miscellaneous Summary
Manufactures in Hartford
The Arabic Numerals Representative, and not Arbitrary Characters
Special Notices
New Publications
Polytechnic Association of the American Institute
The Markets
Cleanliness of Tools
Russ's Patent Knife and Scissors Sharpener
Vulnerability of Iron-Clads--The Shoe-Buryness Experiments
The Combustion of Coal--Economy in Fuel
Machinery Versus Manipulation
Patent Claims
Allen's Weeding or Scuffle Hoe
Gschwind and Grether's Combination Hook and Holder
Departments
Correspondence
Notes and Queries
New Inventions
