After three voyages to New Zealand on the Daniel in November 1916, Palmer joined the Burrowa, an Australian merchant sailing vessel (2902 gross register tons). On 27 April 1917 Burrowa was attacked and sunk "sixty miles west of the Scilly Isles" by a German submarine.
Following three voyages to New Zealand on the Daniel in November 1916, Palmer boarded the Burrowa, an Australian merchant sailing vessel (2902 gross register tons). On April 27, 1917, the Burrowa was struck and sunk "sixty miles west of the Scilly Isles" by a German submarine.