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Features

The Gartsherrie Iron Industry

Can you Swim?

A New Theory of the Formation of Diamonds

The Exploration of the Libyan Desert

Disastrous Floods

English Food Adulteration

Fracture By Long-Continued Jarring

Professor Huxley and Harvard

Tides in the Gulf of Mexico

Improved Vertical Boiler

Improved Crow and Tamping Bar

A New Sectional Balloon

A Water Belt for Transmitting Motion

Railways in New York City

Practical Mechanism. Number VI - August 15, 1874

By Joshua Rose.

Improved Metal Cutting and Punching Machine

Holden's Improved Loose Pulley

Davis' Improved HUB

The Chilian Exposition

Importance of Advertising

Decisions of the Courts - August 15, 1874

Recent American and Foreign Patents - August 15, 1874

Answers to Correspondents - August 15, 1874

Canadian Patents - August 15, 1874

Communications Received - August 15, 1874

Departments

  • Letters

    Correspondence - August 15, 1874

  • Departments

    Business and Personal - August 15, 1874

  • Index of Inventions - August 15, 1874

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Know Before You Vote