Browse Items (2 total) Browse All Browse by Tag Search Items Tags: dome prism Sort by: Title Creator Date Added The dome prism produced at the Optical Annexe during the war for use in gunsights and binoculars 1942 - 1945 Prisms produced at Hobarts Optical Munitions Annexe 9/101 during World War Two 1942 - 1945 Output Formats atom, dcmes-xml, json, omeka-xml, rss2