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The Self-Acting Norwegian Cooking Apparatus

Improvement in Steam Engines

The Science Association

On the Distribution of Copper in the Animal Kingdom

The Story of a Boulder

Apparatus for Generating Illuminating Gas from the Light Hydrocarbons

Observations of the Eclipse as Seen at West-Port, KY

Duration of the English Coal Fields—The Internal Temperature of the Earth

Dyeing Silks—Preparation of the Raw Silk Previous to Dyeing

Fire and Rat-Proof Buildings

Improvement in Buckets

Incidental Observations

The Effects of Night Soil on Vegetation

Heat and Work

The Street Crossing Question

Business Hints

Ocean Telegraphy

Calculations About Human Life

Location of Heaven

Marks Produced upon the Body by Lightning Stroke

Oxford Wins

Editorial Summary

Injunction in Patent Cases

Manufacturing, Mining, and Railroad Items

Answers to Correspondents

New Publications

Recent American and Foreign Patents

Official List of Patents

Issued by the United States Patent Office


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Why Do Facts Fail?

Why Do Facts Fail?

Deconstructing Denial