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Features

Lands Below the Ocean Level

The Thorneycroft Fast Launches

The Permanent Supply Water Works of Baltimore

What is a Temporary Star?

The Manufacture of Silverware

Practical Mechanism - May 12, 1877

By Joshua Rose

Improved Calculating Machine

Improved Fire Escape

Baby Brutes

A Curious Piece of Mechanical Manipulation.--Cutting Right or Left Hand Threads with Right Hand Dies

Decisions of the Courts

New Agricultural Inventions - May 12, 1877

Recent American and Foreign Patents - May 12, 1877

New Woodworking and House and Carriage Building Inventions - May 12, 1877

New Miscellaneous Inventions - May 12, 1877

New Mechanical and Engineering Inventions - May 12, 1877

New Household Inventions - May 12, 1877

Communications Received - May 12, 1877

Departments

  • Departments

    Business and Personal - May 12, 1877

  • Index of Inventions - May 12, 1877

  • Patents - May 12, 1877

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May 12, 1877

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