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Features

Ether Ice Machine

How Kerosene Oil is Made

Strychnia and Hemlock

Silkworms

The Manora Breakwater

Notes of English Science - August 17, 1872

Improved Railway System

Improved Repeating Rifle

Protection from Lightning

The Appreciation of Knowledge

A Petroleum Fire

The International Prison Congress

A Railway Accident Explained

Letter from Professor R. H. Thurston - August 17, 1872

Newspaper Benevolence

Water Vapor not Vesicular

Inclined Railway in San Francisco

Wave Power Propellers

Recipes and Experiments - August 17, 1872

Slicing Apples

Recent American and Foreign Patents - August 17, 1872

New Patent Law in Canada - August 17, 1872

Departments

  • From the Editor

    Answers to Correspondents - August 17, 1872

  • Letters

    Correspondence - August 17, 1872

  • Recommended

    New Books and Publications - August 17, 1872

  • Departments

    Business and Personal - August 17, 1872

  • Notes and Queries - August 17, 1872

  • Index of Inventions - August 17, 1872

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August 17, 1872