Observations nineteenth to twenty fifth September 1923, determining the positions of the red and white mark buoy and black mark buoy

Scale: circa 1:300,000. Chart showing the positions of the red and white and black mark buoy during the laying of the 1923 New York to Canso cable. Cable routes marked in manuscript. Colour key.

Object Details

ID: PIR246:2/151(1)
Collection: Charts and maps
Type: Chart
Display location: Not on display
Creator: Siemens Brothers and Co Ltd, London
Date made: 1923
Credit: National Maritime Museum, Greenwich, London
Measurements: Sheet: 60 cm x 64 cm