Scientific American Magazine
Volume 52, Issue 17You are currently logged out. Please sign in to download the issue PDF.
Features
Casting a Statue of Heroic Size
Herat
Do We Work Too Much?
Changes in the Patent Office
Double Bolt Sash Lock
Improved Mine Railway
Adjustable Window Bead Fastener
Improved Sled
Double-Acting Water Wheel
Cold Iron Punch
Rowing Apparatus
An Electrical Standard for Measuring Light
Monumental Nests
Dr. Ochorowicz's Loud-Speaking Telephone
Pruning Ornamental Trees
Engineering Inventions - April 25, 1885
Agricultural Inventions - April 25, 1885
Miscellaneous Inventions - April 25, 1885
Departments
Business and Personal - April 25, 1885
Notes and Queries - April 25, 1885
Index of Inventions - April 25, 1885