Features
Counterfeit Coin
Silver Mining in Massachusetts
Artificial Fuel
Formation of Planetary Rings and Satellites
Silver in Art
School Shops
Improved Automatic Knife Grinder
Vertical Engines and Boilers
Astronomical Notes
Notes of Patent Office Decisions
Firework Making
Method of Correcting a Leasing Screw
The Industrial West
The Glass Ball Caster
Remains of Gigantic Antediluvians
The Prairie Dog and Its Uninvited Guests
Producing Accurate Spheres
Cooking by Solar Heat
Mexican Flora
Organography, or Vegetable Anatomy
Communications Received
Departments
- Departments
New Books and Publications
Notes and Queries
Business and Personal
Index of Inventions
Patents