Plan - Drawings: 88732 (Proposed D/F Aerial, D/F Aerial Proposed Layouts, Aerials Arrangement, Aircraft Sealing, Cabinet Layout, Proposed Mounting, Proposed ‘Porters Installation), 89685 - Aerial Column Assembly, 89686 - Aerial Assembly, 89688 - Housing Top, 89689 - Housing Bottom, 89690 - Housing, 89691 - Screen, 89696 - Assembly Aerial Flange, 89699 - Flange, 8o702 - Stub Shaft, 89703 - Tube Inner, 89704 - Housing, 89705 - Bearing Upper, 89706 - Block Lamps, 89707 - Bracket, 89708 - Body, 89709 - Plate Illuminating, 89710 - Stop Plate, 89711 - Block Plug Mount, 89712 - Cap, 89713 - Scale, 89714 - Spacer, 89715 - Catch Pin, 89780 - Aerial Assembly, 89791 - Top Steady Anchorage Assembly, 90072 - Modifications Cessna, 90376 - Aerial Assembly Porter, 90391 - Modifications Porter, 90405 - Drilling Jig, o3031 - Experimental Auxiliary Aerial Project Thorough, Weapons Research Establishment