Scientific American Magazine
Volume 66, Issue 18You are currently logged out. Please sign in to download the issue PDF.
Features
Exhibition of the New York Microscopical Society
Ericsson's Destroyer and its Submarine Gun
Position of the Planets in May
An Improved Gas Engine
A Trace-Holding Whiffletree Attachment
An Improved Car Door
A Motor to Drive Small Machines
The Grant Monument
The British First Class Cruiser Edgar
Logging in Minnesota
Interesting Tricks
Novel Toys
Departments
Correspondence
Recently Patented Inventions- April 30, 1892
New Books and Publications- April 30, 1892
Business and Personal- April 30, 1892
Index of Inventions- April 30, 1892
Notes and Queries- April 30, 1892
