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The Engineering: Works Through, Under, and Over the Bergen Hills, Opposite New York

The Generation of the Wicked

Scientific and Practical Information

Labor Troubles in Russia

An Important Patent Office Decision

Horse Flesh as Food in France

How to Rush a Patent Through

Spontaneous Combustion at Steam Heat

Children and Dogs

The Proportions of Sewers

Mr. Seth Green's New Spawn-Carrying Device

New Chilian Armor Clads

Practical Mechanism

By Joshua Rose

A New Pie Marker

Re-Sawing Band Saw

Improved Awning

Public Buildings in Brussels

Decisions of the Patent Office - February 27, 1875

Recent American and Foreign Patents - February 27, 1875

Communications Received - February 27, 1875

Canadian Patents - February 27, 1875


  • Letters

    Correspondence - February 27, 1875

  • Departments

    Business and Personal - February 27, 1875

  • Notes and Queries - February 27, 1875

  • Index of Inventions - February 27, 1875

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