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Features

Improved Cork Extractor

Shaw's Gunpowder Hammer for Driving Piles, Remarkable Mirage in the English Channel

Facts Concerning the Sun

Light

A Fish Farm

By E. Dexter

Indelible Ink for Marking Linen

By Reimann

When Doctors Disagree Who shall Decide?

Working Out and Patenting New Inventions

Chinese Labor in America

The Indiscriminate Use of Fireworks

An Arrant Humbug

The Theory of Boiling—Tomlinson's Experiments and Conclusions

Prediction of Weather

The Odoriferous Principles of Plants—And their Imitations—Fusel Oil

Bridge Across the British Channel

Answers to Correspondents

Important Patent Decision

Recent American and Foreign Patents

Official List of Patents

Applications for Extension of Patents

New Publications

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Why Do Facts Fail?

Why Do Facts Fail?

Deconstructing Denial