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Improved Brick Machine

The European War as Affecting American Inventors and Farmers

Hotel Fires

Our Iron Shipbuilding Industry

The Advancement in Microscopy in the United States

Improved Water Elevator

A Novel Life Preserver

Device for Holding Door Knob Screws

The Dexter Scroll Saw, Emery Grinder, and Polisher

Communications - May 5, 1877

Experiments with Locust Eggs, and Conclusions Drawn Therefrom

By C. V. Riley

The Exportation of American Meat to England

New York Academy of Sciences

New Agricultural Inventions - May 5, 1877

New Mechanical and Engineering Inventions - May 5, 1877

Recent American and Foreign Patents - May 5, 1877

New Miscellaneous Inventions - May 5, 1877

New Woodworking and House and Carriage Building Inventions - May 5, 1877

Communications Received - May 5, 1877


  • Departments

    Notes and Queries - May 5, 1877

  • Business and Personal - May 5, 1877

  • Index of Inventions - May 5, 1877

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