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Scientific American
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Scientific American Magazine
January 1889
Volume 60
,
Issue 3
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Features
Test of a New Bridge by means of Elephants, at Bridgeport, Conn.
H. C. Hovey
Coupling a Dynamo to a Car-Axle
Are Townsmen or Countrymen the Healthiest?
Postal Street Cars
Photographic Notes- January 19, 1889
The Deep Wells of Reading, PA
A Foot-Shield for Pianos, Etc.
Improved Double-Reciprocating Engine
Improved Lifting Cage for Mines
An Improved Screw Driver
An Improved Road Grader and Ditcher
Improved Pulsatory Wool Washing Machine
A New Screw Cutting Die
An Improved Can Opener
The Bartlett Project for a Water Supply for Lower New York
A Boy's Invention
The Great Railway Bridge over the Firth of Forth
Experiments in Capillary Force
St. Louis to be a Seaport
Apparatus for Compounding Rectangular Vibrations
M. Hopkins
To Inventors- January 19, 1889
Departments
Correspondence- January 19, 1889
Notes and Queries- January 19, 1889
New Books and Publications- January 19, 1889
Recently Patented Intentions- January 19, 1889
Business and Personal- January 19, 1889
Index of Inventions- January 19, 1889
