Menu
Home / General Knowledge / Inventions :: Discussion

Discussion :: Inventions

  1. What J. B. Dunlop invented?

    2. A.

     Pneumatic rubber tire
    B.

     Automobile wheel rim
    C.

     Rubber boot
    D.

     Model airplanes

    View Answer

    Workspace

    View Answer

    Answer : Option A

    Explanation :

    Invented in 1887.

Write your comments here:

Be The First To Comment