World War II Bristish inspectors Mark III admiralty pattern clinometer by Watts and Son, London, England. The heavy brass relic is in a fitted hardwood case. The instrument consists of a brass frame with large brass cylindrical drum turned until the spirit level indicates horizontal, Dated 1944, No. 34899. Fitted to a hinged mahogany box. 5" H x 10" W x 13" L. 17 lbs. Made: England Date: 1944