AMDigital Reference: MPGG 1/69/1 Compass indicator. On tracing cloth. From: MPG 1 - Public Record Office: Maps and plans extracted to flat storage from various series of records of Colonial Office Title from publisher's website.
Reproduction Note
Electronic reproduction. Marlborough, Wiltshire : AM, 2016. Digitized from a copy held by the National Archives, UK and made available by AM.