Multiple choice general knowledge

who invented the sewing machine.

  1. Elias Howe

  2. Alexander Fleming

  3. Willem Einthoven

  4. None

Reveal answer Fill a bubble to check yourself
A Correct answer
Explanation

Elias Howe patented the first practical lock-stitch sewing machine in 1846, which became the foundation for modern sewing machines. Alexander Fleming discovered penicillin (medicine), and Willem Einthoven developed the electrocardiogram (medical device).