Features
New Patent Bill
Soldering Salt
Meteorological Calculations
Improved Fire Arms
Improved Printing Press
New Steam Brake
Self-Acting Railroad Switch
Improved Roving Tube
Improved Tenon Machine
Improvements in Tables
Progress of Science
Improved Fish Hook
A New Technical Dictionary
Massachusetts Boots and Shoes
New Use for Buckwheat Straw
Deaths
Review of the New Patent Law
Life Preserver Seat
List of Patent Claims
The London Crystal Palace
Iodide of Potassium
A Chapter of Suggestions, &C
Mechanics
Manufacturers and Inventors
On the Employment of Water in Filling up Deep Bore Holes in Blasting Operations
New Cure for Burns
Scientific Memoranda
Departments
- From the Editor
To Correspondents