A Johannsen & Co, London, Sidereal Chronometer, c1915 Makers to the Indian Government and Admiralty, Italy, Spain & Portugal, 149, London, 9171, Minories Rosewood Cased Sidereal Admiralty Pattern Chronometer of square form, the double hinged top one enclosing a viewing window the case with concealed brass travelling handles width 18 cm, depth 18 cm, height 19 cm. Provenance: An near example is held in the National Maritime Museum, Greenwich London Ministry of Defence Art Collection