A green enamelled theodolite signed E.R. Watts & Son Ltd. London No. 37405, the telescope with eyepiece focusing, enclosed vertical circle with associated graduated bubble level, twin magnifiers and verniers supported by twin "A" frame mounts over enclosed horizontal circles with graduated cross bubble, twin magnifiers and verniers over three screw tripod mount with mechanical level adjusters in fitted mahogany case with accessories -- 15 7/8in.wide