Who is credited with inventing the first practical metal detector?
Who is credited with inventing the first practical metal detector?
پہلا عملی میٹل ڈیٹیکٹر ایجاد کرنے کا سہرا کس کو جاتا ہے؟
Explanation
Alexander Graham Bell is credited with inventing the first practical metal detector
He developed it in 1881