Features
Gleason's Car Coupling
Improve Magnetic Steam Gage
Our Reward
A Compensating Clock Pendulum
Method of Detecting Decay in Timber
Novel Insect Trap
A Fat Fish
To Restore Writing
Vacancy in the Patent Office
Recent Patented Improvements
Gold Solders
The Bottom of the Atlantic
Longevity of Persons Engaged in Different Occupations
Braden's Improved Lock
New Horse Feed
Patent Safety Air Pump Attachment
The Lives of Eminent Men
Effect of Too Much Acid on the System
Our Prophecy Fulfilled
The Habitual Use of Spirits
The Gibbs' Interference Case
A New Gold Excitement
The Atlantic Cable Failed
A Suggestion to Cities
Californian Research
Death of M. Gardissal
The Upas Tree
The Dudley Observatory
A Gentle Hint
Steam Boilers and Furnaces
Mechanics
A Celestial Phenomenon
Westlake's Summer Cooking Apparatus
Strength of Wire Ropes
The Cloud Engine
Thayer's Carpet Fastener
New Bridge
Departments
- Letters
Correspondents - July 31, 1858
