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Features

Trial of Steak Fire Engines at the Centennial Exhibition

What is Materialism?

The Hell Gate Blast

Infusorial Earth and Its Uses

The Centennial Awards

A Cigar Scientifically Dissected

A Life-Preserving Cap and Cape

A Pocket Lung Tester

Improved Building Blocks

Apparatus Used in Industrial Processes

Practical Mechanism - October 14, 1876

By Joshua Rose

Improved Crosshead for Locomotives

Improved Air Pump

Improved Bucket Ear

The Sea Gull

Rambling Notes

Centennial Notes

Glycerin

New Miscellaneous Inventions - October 14, 1876

New Woodworking and House and Carriage Building Inventions - October 14, 1876

New Agricultural Inventions - October 14, 1876

Recent American and foreign Patents - October 14, 1876

New Household Inventions - October 14, 1876

Communications Received

The Validity of Patents - October 14, 1876

Value of Patents - October 14, 1876

Departments

  • Letters

    Correspondence - October 14, 1876

  • Recommended

    New Books and Publications - October 14, 1876

  • Departments

    Index of Inventions - October 14, 1876

  • Notes and Queries - October 14, 1876

  • Business and Personal - October 14, 1876

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October 14, 1876

Help Us Reforest the Mississippi River Valley