Scientific American Magazine
Volume 49, Issue 21You are currently logged out. Please sign in to download the issue PDF.
Features
The Coal Bunkers at New Tacoma, W T
Trial of the Haskell Multicharge Gun
Repairing Suspension Bridge Cables
The American Institute Fair
Cross Cut Saw Frame
Hollow Auger
Improved Vise
Adjustable Telephone Receiver
Improved Grain Elevator
The Electro-Magnetophone
Tissandier's Electric Balloon
Hame Tug
Hame Fastener
Trace Buckle
Agricultural Inventions
Manufacturing Notes
Mechanical Inventions
Financial
Engineering Inventions
Insurance
Miscellaneous Inventions
Departments
Correspondence
Business and Personal
Index of Inventions
Notes and Queries