[Communications map of the world]
John Bartholomew & Co.
Edinburgh : J. Bartholomew & Co.,
[1916]
British Empire is coloured red.
Insets: San Francisco Bay; New York Bay; Rio Harbour; Brisbane; Tokio Bay; Dunedin; Panama Canal 1916; Europe and Mediterranean; Suez Canal; Bombay Harbour; Aden; Calcutta; Hong Kong; Strait of Singapore; Cape Town; Sydney Harbour; Port Phillip; River Mersey; Southampton Water; River Thames.