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Novel Type of High Span Bridge

The New Copyright Bill Now Before Congress

Passage of the Copyright Bill in the Senate

City Flowers

The British African Expedition

An Improved Circular Saw Holder

An Improved Cloth Cutter

An Improved Counter Scale

An Improved Hot Air Register

The Crosby Invalid Bed

Experiments in Static Electricity with the Incandescent Lamp

By Elmer E. E. Emmons

Waddington's Electeic Submarine Torpedo Boat

Thomas Silver

The Engines of the Vesuvius and Yorktown

Agricultural Inventions - May 19, 1888

Engineering Invention - May 19, 1888

Miscellaneous Inventions - May 19, 1888

To Inventors - May 19, 1888


  • Recommended

    New Books and Publications - May 19, 1888

  • Departments

    Notes and Queries - May 19, 1888

  • Business and Personal - May 19, 1888

  • Index of Inventions - May 19, 1888

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