Features
Coal in a Curious Place
Foreign Scientific Notes
List of Patent Claims
The Cotton Gin
Flour and Bread, Bakers, Millers, &C
Pension for Propeller Improvements
The Way to Keep a Razor Sharp
Alder Flowers, Oak Bark, Swamp Maple, and Tartar in Dyeing Colors
How They Make Maccaroni
Mechanical Equivalents in Law
The Chinese Yam
Breaking of Railway Car Axles
Saw Set or Circular Saws
The French Imperial Cradle
Improved Brick Machine
Scott Russell Failed
Time Ball Signals
Remarks on the Report of the Commissioner of Patents
Important Patent Decision in the United States Supreme Court
Gold and its Uses.--No. 1
Recent American Patents
New System of Weights and Meauress
Wonderful Presence of Mind of a Railroad Conductor
Photographic Pictures on Silk
Selling Patent Property by Sample
Making a Needle
Stone Tortoises, Hyenas, &C
American Turret Clocks for Siam
Recent Foreign Inventions
Important Items
Mechanics
Inventors, and Manufacturers
Whipple's Patent Ripper Blocks
The Power of Falling Water
Departments
- Letters
To Correspondents