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Features

A New Bridge in Philadelphia

Laundry Blue

The Practical Effects of Physical Strain

The Validity of Patents

What They Say about Us

Scientific and Practical Information - April 29, 1876

Animal Parasites

Death of the Millionaire Merchant

Improved Adjustable Pipe Tongs

Improved Oil can Nozzle

Atchison's Engraving and Chasing Machine

Improved Window Screen

Vibert's Improved Lifting Jack

Broken Stone Road-Making--Blake's Crusher

Engines and Lightning Rods

Improved Flood Gate

Improved Method of Propelling Canal Boats

A Chinese Scientific Journal

Recent American and foreign Patents - April 29, 1876

Decisions of the Courts - April 29, 1876

New Agricultural Inventions - April 29, 1876

New Mechanical and Engineering Inventions - April 29, 1876

New Woodworking and House and Carriage - April 29, 1876Building Inventions

Communications Received - April 29, 1876

Departments

  • Letters

    Correspondence - April 29, 1876

  • Recommended

    New Books and Publications - April 29, 1876

  • Departments

    Business and Personal - April 29, 1876

  • Notes and Queries - April 29, 1876

  • Index of Inventions - April 29, 1876

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Why Do Facts Fail?

Why Do Facts Fail?

Deconstructing Denial