HERE IS A VINTAGE ORIGINAL BRASS STEWART & CLARK SPEEDOMETER IN GOOD ORIGINAL CONDITION FRESH OUT OF A ESTATE WITH SOME WEAR AND AGING AS SHOWN. THIS SPEEDO WORKS WHEN YOU SPIN THE DRIVE BY HAND ON THE BACK. I AM UNSURE OF THE APPLICATIONS OR COMPLETENESS OF THIS ITEM SO PLEASE USE THE PHOTOGRAPHS TO JUDGE APPLICATIONS FOR YOURSELF.  ALL OF OUR ITEMS ARE OLD USED OR VINTAGE PARTS AND WILL HAVE POSSIBLE WEAR, AGING, AND DENTING SO PLEASE LOOK THE PHOTOGRAPHS OVER WELL AS THEY ARE A MAJOR PART OF THE DESCRIPTION.