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Features

The "New York World" Newspaper.--A Remarkable Establishment

Needs of the Patent Office

The Profits of Silk Culture

Forty Years in the Patent Office

Steam Boiler Notes

Miscellaneous Inventions - March 4, 1882

Mechanical Inventions - March 4, 1882

Electro-Magnetic Brake

Safety Shield for Circular Saws

The Hercules Beetle

Agricultural Inventions - March 4, 1882

Engineering Inventions - March 4, 1882

Departments

  • Departments

    Recent Inventions - March 4, 1882

  • Index of Inventions - March 4, 1882

  • Business and Personal - March 4, 1882

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