Scientific American Magazine
Volume 64, Issue 20You are currently logged out. Please sign in to download the issue PDF.
Features
The Broadway and Seventh Avenue Cable Road
Defenseless Condition of our Seaports
Dr. Edward Maynard
Charles Pratt
Improvement in Jack-Screws
Open Column Manometer on the Eiffel Tower
An Improved Wrench
New Method of Chamfering Stone
Ancient Methods of Drawing Water
Castrography
Departments
Correspondence- May 16, 1891
Recently Patented Inventions- May 16, 1891
Business and Personal- May 16, 1891
Notes and Queries- May 16, 1891
New Books and Publications- May 16, 1891
Index of Inventions- May 16, 1891
