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Features

How Engineering Difficulties are Overcome

Improvement in Machine for Thrashing and Winnowing

What is a Flux?

Explosive Compounds for Engineering Purposes

Beet Root Sugar

Wood Engraving—Ancient Process

Eating Considered as Not a Fine Art

The Sale of Gas by Quality as Well as Quantity

A Reformation in the Patent Office

Earth Closets

The Colors of Plants and Flowers

Velocipede Notes

Answers to Correspondents

Editorial Summary

Manufacturing, Mining, and Railroad Items

New Publications

Applications for the Extension of Patents

Official List of Patents

Recent American and Foreign Patents

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Why Do Facts Fail?

Why Do Facts Fail?

Deconstructing Denial