Scientific American Magazine
Volume 52, Issue 14You are currently logged out. Please sign in to download the issue PDF.
Features
The Forth Bridge
Concerning Telescopes
Progress of Pneumatic Postal Tubes
Improved Door Opener
Apparatus for Testing Sealed Cans
Improved Seal Lock
Car Coupling
Combined Grain Drier and Cooler
A Steam Wheel, or Rotary Engine
Safety Gas Burner
Cover for Cooking Utensils
Automatic Loose Pulley Oiler
The Sinking of Shafts by Freezing
Imitation of Electro-Physiological Apparatus and Electric Tuning-Forks by Hydrodynamic Tuning-Forks
The Improved Hand Loom Penelope
The Improved Hand Loom Eugenie
The Rudder of the Alaska
The Victoria Regia
Agricultural Inventions - April 4, 1885
Miscellaneous Inventions - April 4, 1885
Engineering Inventions - April 4, 1885
Special - April 4, 1885
Foreign Patents - April 4, 1885
Departments
Correspondence - April 4, 1885
Business and Personal - April 4, 1885
Notes and Queries - April 4, 1885
Index of Inventions - April 4, 1885
Patents
