Features
The Utilization of Weeds
Mental Experimenting
The Origin of American Mechanical Genius
The Bag-Worm's Mother
The British Association
The Imagination in the Constructive Arts
Senate Bill No. 300
The Dynamometer of the Great Captive Balloon at the Paris Exhibition
Sheaf Binding
Gang Plow Trials-Paris Exhibition
Notes of Patent Law
Decisions of the Courts
A New Camera Lucida
The Polyscope
A New Head Protector
Potato Digger
The Tufted Coquette
Gathering the Sap of the Maguey
The Lagetto, or Lace-Bark Tree
Professor Palmieri's Diagometer
Astronomical Notes
Communications Received
Departments
- Departments
Business and Personal
Notes and Queries
Index of Inventions
Patents