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

    The One Hundred and Fifty Ton Portable Gun Scales of the Watervliet Arsenal

    Eleventh Annual Meeting of the Institute of Electrical Engineers

    The Bicycle as an Example for Improvements in Transportation

    A Convenient Line Chalker

    A Simple and Easily Cleaned Filter

    An Automatically Operating Ejector

    An Improved Ore Crusher

    Electrostatic Induction Machines without Sectors

    Picolet's Wimshurst Induction Machine without Sectors

    New Lift Bridge, Chicago

    A Simple and Convenient Telephone

    Marine Steam Dynamo

    Protection of Piles Against the Teredo

    Simplified Apparatus for Photomicrography

    To Inventors - May 26, 1894

    Departments

    • Letters

      Correspondence - May 26, 1894

    • Recommended

      New Books and Publications - May 26, 1894

    • Departments

      Recently Patented Inventions - May 26, 1894

    • Business and Personal - May 26, 1894

    • Index of Inventions - May 26, 1894

    • Notes and Queries - May 26, 1894

    Purchase To Read More

    Already purchased this issue? Sign In to Access
    Select Format
    May 26, 1894

    See the World from a Different Perspective

    Subscribe to Scientific American MIND

    Subscribe