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Features

New Mechanical Inventions

Improved Machine Tools

What is Life?

How Patents Affect Prices

The Decline of the Ironclad

Congress and the Patent Office Funds

Hydraulic Mining in California

Improved Tool Stocks for Dental Engines

New York Academy of Sciences

Astronomical Notes - May 4, 1878

By Berlin H. Wright

Lining Roofs with Mineral Wool

Improved Insect Powder Blower

The Boiling Lake of Dominica

Improved Clam Baker

The Oil Bearing Sands of Pennsylvania

The Pyrenean Pine

Improved Receiver and Stench Trap

Improved Pipe Tongs

Influence of Cosmical Matter

Proposed Injustice to Inventors - May 4, 1878

Hydrobromic Acid

Communications Received - May 4, 1878

The Scientific American - May 4, 1878

Departments

  • Departments

    New Books and Publications - May 4, 1878

  • Business and Personal - May 4, 1878

  • Notes and Queries - May 4, 1878

  • Index - May 4, 1878

  • Patents - May 4, 1878

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May 04, 1878

Think Outside the Gift Box