Browse Items (3 total) Browse All Browse by Tag Search Items Tags: roof prism Sort by: Title Creator Date Added Prisms produced at Hobarts Optical Munitions Annexe 9/101 during World War Two 1942 - 1945 Inspection of RAAF camera prisms National Archives of Australia 1942 - 1945 Blocking up roof prisms ready for polishing National Archives of Australia 1942 - 1945 Output Formats atom, dcmes-xml, json, omeka-xml, rss2