Professor Roy Cockburn with fellow engineering in Egypt.
Cockburn was serving with the 'V' Sound-ranging Section attached to the Egyptian Expeditionary Force and was credited for improving sound ranging techniques for the Royal Engineers.
1 photograph: b&w
Cockburn Family fonds
Public Domain - Image is clear for use, no permission required. Please credit.
University of Toronto Archives
World War, 1914-1918Faculty and Staff - General