Volume 11, Issue 17
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Features
Composition of Gunpowder
London the Greatest City
Improvements in Expansive Steam Engines
Woods of Australia
Discovery of Nitrate of Lime
American Fire Arm Machinery for Great Britain
Great Engineering Works in India
List of Patent Claims
Nasmyth's Process of Puddling Iron
Drouth and Vegetation
The Arctic Regions
Overland Arctic Expedition Returned
Cotton Gins
Interesting Account of the Great Polar Sea Discovered by Dr. Kane
A British Exploring Ship Found Abandoned in the Arctic Seas
Breech-Loading Rifle
Improvement in Reversible Wrenches
The Paddle Wheel and Screw
Award of Prizes
Duty of Cornish Engines
Sharpe's Rifle
Progress of Invention During 1855
New Year's Resolves--A Suggestion
Preserved Fruits
Clarke's Railway Machinery
A New and Improved System of Numeration and Measurement
Mercury or Quicksilver
Wearing Flannel
The Color of Copper
Recent Foreign Inventions
Important Items
Effect of Light upon Plants
Hydrogen, Charcoal, and Platinum
Securing Daguerreotypes in Monuments
The Conducting Powers of Metal
Mechanics
Inventors, and Manufacturers