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Features

The Tilly Foster Mine

An Appalling Disaster

An Automatic Cable Propeller for Vessels

An Improved Machine for Turning Tenons

A Device for Extinguishing Fires on Ships

An Improved Draught Equalizer

An Improved Electric Current Regulator

An Improved Extensible Car Step

An Improved Cable Car Transfer System

An Improved Car Seat

An Improved Compound Rail

Lynx in the Berlin Zoological Garden

Artificial Limbs

Departments

  • Letters

    Correspondence- June 15, 1889

  • Departments

    Notes and Queries- June 15, 1889

  • Recently Patented Inventions- June 15, 1889

  • Business and Personal- June 15, 1889

  • To Inventors- June 15, 1889

  • Index of Inventions- June 15, 1889

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Why Do Facts Fail?

Why Do Facts Fail?

Deconstructing Denial