Scientific American Magazine
Volume 12, Issue 20You are currently logged out. Please sign in to download the issue PDF.
Features
A Cheap Mouse Trap
Alum in China
Artificial Stone
New Sugar Cane Cuttings
List of Patent Claims
Muley and Circular Saws
Louisville Mechanics' Institute
Mammoth Cave Pit
Spinning on Cotton Plantations
A Steam Whaler
More California Big Trees
Dr. Livingstone Discoveries in Africa
The Same Subject
Solar Evaporation of Fluids, Such as Salt Brine
Improvement in Windmills
Cornish Pumping Engines
Patent Case
Ex-Examiner Langdon Gone to Europe
Hugh Miller, the Mechanic Geologist
Artificial Guano
The Eye, and How to See
The Coolest Dodge Yet
Petition for Extension of a Patent
Steam Fire Plug Thawer
Piesse's Pastils
Descriptive Index to Chemical Patents
Crystalization of Wrought-Iron
Scarcity of Flour Barrels
Calculating Astronomical Machine
Locomotive Boiler for Burning Coal
Departments
Correspondents
