We use cookies to provide you with a better onsite experience. By continuing to browse the site you are agreeing to our use of cookies in accordance with our Cookie Policy.

Skip to main content

    Features

    Rare Monkeys

    The Great Earthquake

    Horse Collar

    Steam Engine

    Spring Lock

    Locomotive Boiler Check Valve

    Insulator for Electric Wires

    Michel Eugene Chevreul

    Improved Shovel

    Stopper Fastener

    The Galatea and Mayflower

    A New Long Distance Telephone System

    The Acme Automatic Safety Engine

    An Inexpensive Air Pump

    By Geo. M. Hopkins

    Agricultural Inventions - September 18, 1886

    Miscellaneous Inventions - September 18, 1886

    Engineering Inventions - September 18, 1886

    To Inventors - September 18, 1886

    Departments

    • Letters

      Correspondence - September 18, 1886

    • Departments

      Business and Personal - September 18, 1886

    • Index of Inventions - September 18, 1886

    • Notes and Queries - September 18, 1886

    Purchase To Read More

    Already purchased this issue? Sign In to Access
    Select Format
    September 18, 1886

    See the World from a Different Perspective

    Subscribe to Scientific American MIND

    Subscribe