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Features

Newark Bay Draw Bridge

Present Condition of Shipping and Sailors

The Protection of Shade Trees Against Insects

Improved Printer's Chase

Improved Oar Lock

Improved Combination Lock

Improved Car Coupling

Rounding Jack for Hat Brims

The Momentum of Liquids

By T. O'Conor Sloane and T. O'conor Sloans

Combined Fertilizer Dropper and Hill Former for Tobacco Plants

Animal Poke

Water Motor

Improved Steam Road Roller

Attraction Produced by Jets of Steam or Air

The Two Headed Cow

Autographs of the Electric Spark

By Geo. M. Hopkins

Miscellaneous Inventions - May 28, 1887

Engineering Inventions - May 28, 1887

To Inventors - May 28, 1887

Departments

  • Letters

    Correspondence - May 28, 1887

  • Recommended

    New Books and Publications - May 28, 1887

  • Departments

    Index of Inventions - May 28, 1887

  • Notes and Queries - May 28, 1887

  • Business and Personal - May 28, 1887

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May 28, 1887

Think Outside the Gift Box