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A New Application of Science

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


A Celestial Phenomenon

Westlake's Summer Cooking Apparatus

Strength of Wire Ropes

The Cloud Engine

Thayer's Carpet Fastener

New Bridge


  • Letters

    Correspondents - July 31, 1858

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