Features
Moth Millers
Effects of Cold on Railroad Machinery
The Wheeling Bridge
Metallic Oil for Machinery
Colt's Patent in Congress
Scientific Memoranda
Flax Industry.—No. 12
Death of the Inventor of the Celebrated American Lock
Improved Gold Separator
Paine's Light Again
Chlorine and Anti-Chlorine
On Birds Flying
A Whale Captured off Nantucket
Brooklyn City Railroads
Uses of Steatite or Soapstone
Chain Link Machine
Improved Harness Buckle
Improved Quartz Crusher
Spring Bed Bottoms
Mechanical Union of Metals
Patent Claims
The Ailanthus Tree
Oil Cup Letter
The Steam-Frigate San Jacinto
Crystal Palace Notes
Sugar Refining Pans
Summer Drinks
List of Patent Claims
Dr. Hare on Spirit Rappings
Drone Trap for Bee Hives
Process for Sharpening Razors without Injuring the Temper
Large Hail Stones
Cure for the Bite of Snakes
Important Remarks for Practical Chemists, Manufacturers of Colors, Paints, &C
Onions
Mechanics
Manufacturers and Inventors
Departments
- From the Editor
To Correspondents