Scientific American Magazine
Volume 2, Issue 21You are currently logged out. Please sign in to download the issue PDF.
Features
Improved Boat-Lowering Detaching Attaching and Griping Apparatus
Bonnets
American Naval Architecture
On the Pre-Historical Existence of Man
Science Aiding Justice
The Work and Power of Steam Engines
Sault's Air Trap
The Japanese Embassy
A Meteoric Mystery
How to See through a Brick Wall
Thompson's Regulating Gas-Burner
Philosophy in an Eggshell
Cotton-Spinning Mules
The Hexagonal Cell of the Honey-Bee
Barn-Yard Manure
Our Western Correspondence
Egg-Hatching Machine
Polytechnic Association of the American Institute
Treatment of Inventors by Government
Consumption and Its Causes
Improved Hay, Hop and Cotton Press
Barcroft's Improved Dredging Machine
Douglas's Valve
City Boiler Inspection
The Increase and Improvement of Steamships
County Bonds for Railroads
Industry--Manufactures--Commerce
Electric Lights for Lighthouses
A Crumb for Inventors
Foreign News and Markets - May 19, 1860
Patent Claims - May 19, 1860
Weekly Summary of Inventions - May 19, 1860
Vol I of the New Series
Money Received
Improved Tin Plate Former
Cause and Prevention of Grape Rot
Applications for the Extension of Patents
Improvement in Melodeons
Departments
Notes & Queries - May 19, 1860
