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Features

The Telephone - March 31, 1877

Our National Trial and Its Results

The Ashtabula Verdict

Publishers Notice to Mail Subscribers

Iron Front Buildings

The Theories of Light

Photographs in the Eye

The Commissioner of Patents

An Editor's Perpetual Motion

Mushrooms

Rice Culture in China

Practical Mechanism - March 31, 1877

By Joshua Rose

Communications - March 31, 1877

The Selden Compound Pump

A Norwegian Timber Church

Decisions of the Courts - March 31, 1877

New Agricultural Inventions - March 31, 1877

New Mechanical and Engineering Inventions - March 31, 1877

New Miscellaneous Inventions - March 31, 1877

New Woodworking and House and Carriage Building Inventions - March 31, 1877

Recent American and Foreign Patents - March 31, 1877

New Household Inventions

Communications Received - March 31, 1877

Departments

  • Recommended

    New Books and Publications - March 31, 1877

  • Departments

    Business and Personal - March 31, 1877

  • Notes and Queries - March 31, 1877

  • Index of Inventions - March 31, 1877

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Self-Awareness or Illusion?

Self-Awareness or Illusion?

Solving the “Hard Problem”