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Improvement of the ARC Light

The Majestic

Accident to a Great Steamer

An Improved Spring Motor

An Improved Type-Writer

An Improved Weeder

An Improved Permutation Lock

An Improved Skylight

Carter's Ditching and Excavating Machine

An Improved Thill Coupling

The Nonpareil Pipe Plug

An Improved Perforating Wheel

Preserve for Binding

Climbing the Great Chimney of the Clark Thread Works, at Harrison, N. J.

Economy of Belting and Pulleys

The Scientific use of the Phonograph

By Geo. M. Hopkins

An Improved Mitering Machine


Improved Means of Distributing Power

To Inventors- April 19, 1890


  • Letters

    Correspondence- April 19, 1890

  • Recommended

    New Books and Publications- April 19, 1890

  • Departments

    Recently Patented Inventions- April 19, 1890

  • Notes & Queries- April 19, 1890

  • Business and Personal- April 19, 1890

  • Index of Inventions- April 19, 1890

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