Scientific American Magazine
Volume 61, Issue 21You are currently logged out. Please sign in to download the issue PDF.
Features
The Mount Pilatus Railway
Safeguards Against Fires
An Improved Locomotive Ash Pan Cleaner
Improved Coal Washer and Separator
An Improved Sandpapering Machine
An Air Purifier for Sleeping Apartments, Sick Rooms, Etc
An Improved Biscuit Cutter
An Improved Razor Strop
An Improved Stamp Mill
An Improved Bottle Protector
An Improved Screw-Threading Die
An Improved Drive Chain
The Congress of the Three Americas
Girard's Sliding Railway
Departments
Correspondence- November 23, 1893
Recently Patented Inventions- November 23, 1893
Business and Personal- November 23, 1893
Notes and Queries- November 23, 1893
To Inventors- November 23, 1893
Index of Inventions- November 23, 1893
