b'These photos of Australian troops preparing to leave for the First World War were taken by Arthur Allen in 1915 from the office window in Martin Place. He was an avid photographer and between 1890 and 1934 captured images of life in Australia from the pageantry and celebration upon federation to the introduction ofmixed bathing on beaches. His photos are containedin a collection of albums held by the Mitchell Libraryin the State Library of New South Wales.96'