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: A near example is held in the National Maritime Museum, Greenwich London Ministry of Defence Art collection