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