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Improved Knife-Grinding Machine

Publishers' Card

Color Blindness and Its Remedy

Otto of Roses

The Value of Fine Workmanship

New York Academy of Sciences

A Valuable Discovery in Electric Illumination

The Niles Engine

A Curious Clock

Improved Apparatus for Curing Tobacco

A New Steam Pump

The Army Worm: Its Natural History Complete

By C. V. Riley

Practical Mechanism - December 9, 1876

Second Series--Number XVI

By Joshua Rose

Antique Gold and Silver Work

A New Blowpipe

Siemens' Sensitive Artificial Eye

Achmea Paniculata

House Building

Astronomical Notes - December 9, 1876

Centennial Notes - December 9, 1876

New Miscellaneous Inventions - December 9, 1876

New Textile Machinery - December 9, 1876

New Woodworking and House and Carriage Building Inventions - December 9, 1876

Recent American and Foreign Patents - December 9, 1876

New Agricultural Inventions

New Household Inventions - December 9, 1876

New Mechanical and Engineering Inventions - December 9, 1876

Value of Patents, and How to Obtain Them

Practical Hints to Inventors

Communications Received - December 9, 1876


  • Letters

    Correspondence - December 9, 1876

  • Departments

    Business and Personal - December 9, 1876

  • Notes and Queries - December 9, 1876

  • Patents - December 9, 1876

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Dwindling Supply. Increasing Demand.

Dwindling Supply. Increasing Demand.

Solving the Water Crisis