ELLIOTT, à London Theodolite in brass with a partial black patina. Three levels, one wheel and rectangular compass. Signed. H. 31.5 cm. Wear and scratches. Minor oxidation. In a mahogany case bearing a W. F. STANELEY label, London, 147/143, February 12, 1936, with brass top handle (numerous scratches, bumps and chips, difficult to close).