Scientific American Magazine
Volume 37, Issue 17You are currently logged out. Please sign in to download the issue PDF.
Features
An Obelisk at Sea
Improved Automatic Fire Escape
The Science of Play
Curious Animal Relationships
Imitation Terra Cotta
Influence of the Spinal Cord on Bodily Temperature
Another Traveling Expedition
The Duties of the Commissioner of Patents and the Supervising Powers of the Secretary of the Interior
Amateur Observations of the November Meteors
Allan's Pressure Gauge
Improved Double Shedding Harness Jacquard Loom
Improved Ship's Speed Indicator
A New Dredging Apparatus
New Electrical Machines
Improved Safety Alarm and Door Bell
The Cosmograph
Improved Window Fastener
Orchids
New Miscellaneous Inventions
Recent American and Foreign Patents
New Mechanical and Engineering Inventions
New Household Inventions
Communications Received
Departments
New Books and Publications
Business and Personal
Notes and Queries
Index of Inventions
