A black enamelled brass transit theodolite by Carl Zeiss Jena Nr. 4572 the eyepiece with rack and pinion and micrometer fine focusing, the vertical circle with graduated bubble level twin vernier and magnifiers located on twin A frame supports, the horizontal circle with bubble and cross bubble, twin vernier and magnifiers, further signed E.R.Watts and Son London, on three screw tripod mount in fitted case - 16in wide