Features
Cotton Size and Cotton Sizing
Work and Wages
Iron Lighthouse for Mexico
Compressed Air in Coal Mining
Making Knit Cotton Goods to Imitate Wool
Agricultural Inventions
Improved Portable Engines
New Egg Tongs
Improvement in Jugs
Improved Medicine Bottle
Improved Animal Trap
The Antiquity of the Spoon
On the Crystallization of Canada Balsam
Miscellaneous Inventions
New System of Ventilation
One of Nature's Gluttons
The Action of Light on Plants
The Industrial Uses of Fish Skins
Chinese Porcelain Vase
Mechanical Inventions
Recent Decisions Relating to Patents, Assignments, Etc.
Departments
- Departments
Correspondence
New Inventions
Business and Personal
Notes and Queries
Index of Inventions
Patents
