Scientific American Magazine
Volume 41, Issue 3You are currently logged out. Please sign in to download the issue PDF.
Features
The United States Drilling Scow, East River
The Captive Balloon at Coney Island
The Telephone as a Lightning Indicator
Peculiar Steam Whistling
Molecular Chemistry.--No. 4
An Improved Tug Coupling
A New Water Meter
Improved Water Wheel
Improved Washbasin Valves
Recent American Patents
Recent Mechanical Inventions
Railway Notes
The Geysers of the Azores
New Milling Attachment for Lathes
New Propelling Apparatus
Miscellaneous Inventions
New Sewer Gas Stopper
Plowing by Electricity
New Agricultural Inventions
Communications Received - July 19, 1879
Departments
Notes and Queries - July 19, 1879
New Books and Publications - July 19, 1879
Business and Personal - July 19, 1879
Index - July 19, 1879
Patents - July 19, 1879
