Bidspirit auction | Set of 3 levelling instruments

Set of 3 levelling instruments 19th century/early 20th century: Stanley London, Halden and Co. Lon - Set of 3 levelling instruments, 19th century/early 20th century: Stanley London, Halden and Co. London, Manchester, G. Hutchison, Edinburgh; brass; mounted on a height-adjustable triangular stand and a round stand (2 instruments); lengths approx. 18 cm, 28 cm, 30 cm, heights approx. 14 cm, 16 cm, 15 cm, signs of wear, functionality not tested *3656/5142/002 (internal)