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Improved Controlling Nozzle

A Semi-Rotary Engine

Bad Ventilation at the Capitol

African Rubber

The Centennial Exposition as an Element in the Development of Our Manufacturing Interests

A Copper-Bearing Bird

The Pay of the Patent Bureau

The Power of Boilers

The Cost of Moths and Mildew

The Manufacture of Anthracene

A Portable Hydraulic Riveting Machine

A New Garden Pump

Self-Closing Closet Lid and Anti-Nuisance Closet

The Cattle of Thelemark, Norway

Artificial Ice

By P. H. Vander Weyde

Practical Mechanism - April 8, 1876

By Joshua Rose

Progress of the Centennial Exhibition

Riggs' Method of Mending Cracked Bells

Improved Wall Paper Trimmer

Weston's Lightning Rod Discharging Point

New Automatic Grease Cup

Animal Ferocity

Astronomical Notes - April 8, 1876

Fire Apparatus Fog Alarms and Cork Machinery

Decisions of the Courts - April 8, 1876

New Chemical and Miscellaneous Inventions - April 8, 1876

Recent American and Foreign Patents - April 8, 1876

New Household Articles - April 8, 1876

New Woodworking and House and Carriage Building Inventions - April 8, 1876

New Agricultural Inventions - April 8, 1876

Communications Received - April 8, 1876


  • Letters

    Correspondence - April 8, 1876

  • Departments

    Business and Personal - April 8, 1876

  • Notes and Queries - April 8, 1876

  • Index of Inventions - April 8, 1876

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