The Manor House House in Mosman which was used as the headquarters of Theosophy in Sydney from the 1920s. Locate -33.843242889488, 151.25079423869 Milestone Constructed 1911 {"name":"Constructed","target":"","target_text":null,"date":{"#markup":"<span class='date'>1911<\/span>"},"date_start":"1911","date_end":"1911"} Property Owned by Theosophical Society 1925 - 2011 {"name":"Owner of","target":"Theosophical Society","target_text":null,"date":{"#markup":"<span class='date'>1925<\/span><span class='separator'> - <\/span><span class='date'>2011<\/span>"},"date_start":"1925","date_end":"2011"} Type House {"name":"House","target":"","target_text":null,"date":{"#markup":"<span class='date'><\/span>"},"date_start":null,"date_end":null}