| http://www.w3.org/ns/prov#value | - A larger diameter milled surface, encircling the inner flanged tube is a gripping surface, and provides the leverage required to tighten the two outer flanged tubes onto the door surfaces, thereby affixing the entire doorscope onto, and through the said door, or other structure, without the aid of any tools A rubberized hood piece is affixed onto the inner flanged tube, providing means for the vie
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