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The Mont Cenis Tunnel

On the Inflammability of Petroleum and Schist Oils

What Makes the Difference

Ross' Patent Oil or Tallow Cup

Design for Toilet Table

Repeating Fire-Arms

Middleton & Haller's Safety Horse Hitch

Engraving for Calico Printing

Editorial Summary

Types-What Machinery Can Do

From the New York Mail

Answers to Correspondents

Recent American and Foreign Patents

New and Important Patent Office Rule

Tact--What is it?

Strength in Buildings and its Appearance

Our “Greasy Mechanics”--Who and What Are They?

Preservation Of Wood--Prevention of Decay

The Sugar Business in Cuba

On Some Constituents of Cotton Fiber

Patents and Claims

Issued by the United States Patent Office

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October 14, 1868

See the World from a Different Perspective

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