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A Huge Vacuum Pan

Electric Lighting by Incandescence

Progress of Patent Law

The Livadia

Capt. Eads' Ship Railway

Improved Cattle Pen

New Stove Attachment

Novel Window Screen

A Novel Blind

Miscellaneous Inventions

An Improved Churn

Hydraulic Cement

By H. C. Hovey

Filtering Cisterns

An Improved Telephone

Novel Method of Precipitating Rainfalls

Mechanical Inventions

Stormy Petrel

Engineering Inventions

The Fan as an Object of Hygiene


  • Departments

    Notes and Queries

  • Business and Personal

  • Index of Inventions

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