Scientific American Magazine
Volume 65, Issue 25You are currently logged out. Please sign in to download the issue PDF.
Features
The Engineer and the Sailor
The World's Columbian Exposition
Schmidt's Improved Window Frame
An Improved Piano Tuning Pin
A Souvenir or Medal Calendar
A Gauge for Use in Assembling the Parts of an Engine
An Improved Rail Support
Improved Rapid Firing Guns
A Convenient Memorandum Book
The Monterey
Our New 12-Inch Mortars
A Luminous Waterfall at the Late Frankfort Electrical Exposition
The Okaw River Bridge, Illinois
Recent Additions to the Navy
Wonderful Growth of Hair of Horse's Mane and Tail
Departments
Correspondence- December 19, 1891
Recently Patented Inventions- December 19, 1891
New Books and Publications- December 19, 1891
Notes and Queries- December 19, 1891
Business and Personal- December 19, 1891
To Inventors- December 19, 1891
Index of Inventions- December 19, 1891
Patents! - December 19, 1891