Single ear defender, the other is missing, made of vulcanite, in tin box with instructions, 1915 pattern, as supplied to the Royal Navy and also used by other British forces during the First World War, made by Mallock-Armstrong, 5 Carteret Street, Westminster, London, England.
Instructions leaflet for Mallock-Armstrong ear defender, 1915 pattern, as supplied to the Royal Navy and also used by other British forces during the First World War, made by Mallock-Armstrong, 5 Carteret Street, Westminster, London, England.
Metal tin box for Mallock-Armstrong ear defenders, without contents (see other parts for details), by Mallock-Armstrong, 5 Carteret Street, Westminster, London, England, 1915-1918.
Mallock-Armstrong ear defender, without box (see other parts for details), by Mallock-Armstrong, 5 Carteret Street, Westminster, London, England, 1915-1918.
