'Police now use speed guns with this technology first constructed by Theodore Maiman using a ruby rod'
a laser
THE BOYS IN BLUE: Police now use speed guns with this technology first constructed by Theodore Maiman using a ruby rod
Police now use speed guns with this technology first constructed by Theodore Maiman using a ruby rod
Police now use speed guns with this technology first constructed by Theodore Maiman using a ruby rod
THE BOYS IN BLUE
a laser
THE BOYS IN BLUE