Multiple choice

Who invented sewing machine?

  1. Waterman

  2. Salk

  3. Elias Howe

  4. None of these
Reveal answer Fill a bubble to check yourself
C Correct answer
Explanation

Elias Howe patented the first practical sewing machine in 1846, featuring the lockstitch mechanism still used today. While Isaac Singer improved upon the design and made it commercially successful, Howe is credited with the invention. Waterman is associated with fountain pens, and Salk developed the polio vaccine. Howe's machine revolutionized clothing manufacturing and domestic sewing.

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