Grosse Berichtigungen: 1907, IDepths shown by soundings and gradient tints.; No. 98 (Tit. 1 Nr. 1).; Includes distance table and inset map "Isogonen der Ostsee für 1910."; Selected lights hand colored and shown in yellow.; "Allison V. Armour Yacht Utowana" -- stamped near title. Acquired by gift Oct. 8, 1918 from Allison V. Armour. In the minutes of the November 7, 1918 AGS Council meeting, Allison Armour was thanked for his donation of 433 Admiralty Charts to the Society. "These charts fill many gaps in the collections of the Society and are of special value at this time on account of their frequent use by the Government Commisssion now established temporarily in the house of the Society." It is likely that Armour's maps were consulted ...