{"product_id":"type-aircraft-e2a-air-ministry-raf-emergency-compass-6b-2754-in-its-transit-case","title":"Type Aircraft E2A Air Ministry RAF Emergency Compass 6B\/2754 In Its Transit Case","description":"\u003ch1\u003eType Aircraft E2A Air Ministry RAF Emergency Compass 6B\/2754 In Its Transit Case\u003c\/h1\u003e\n\u003cp\u003eA small,  vintage, Type Aircraft E2A Air Ministry RAF Emergency Compass 6B\/2754 In Its Transit Case 6B\/2756. \u003cbr\u003e\u003c\/p\u003e\n\u003cp\u003eNew Old Stock, it was made by the famous instrument makers Kelvin Hughes (part of Smiths Industries). Both the compass and transit case are in\u003cspan\u003e very good cosmetic condition, with a few surface blemishes commensurate with age and use. \u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eApproximate Size:-\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\u003cspan\u003eCompass \u003c\/span\u003e\u003c\/li\u003e\n\u003cul\u003e\n\u003cli\u003e\u003cspan\u003eMax. diameter: 4.4 cm\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eHeight: 5cm\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cli\u003e\u003cspan\u003eCase (WHD):  10.5 x 8.8 x 8.8 cm\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cspan\u003eThe compass bowl is usually suspended in Silicone fluid, as its viscosity has a lower degree of change over a reasonable temperature range compared with non-silicone fluids.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003eThe compass is marked as follows:-\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e6B\/405 \u003cem\u003e(where 6B is the RAF stores number for 6B = Aircraft Navigation Equipment, Accessories and Spares)\u003c\/em\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cem\u003eType E2A (\u003c\/em\u003eilluminated by a cockpit light unlike the E2B which is internally lit)\u003c\/li\u003e\n\u003cli\u003eMOD No. INST T.B\/136\u003c\/li\u003e\n\u003cli\u003eB\/R\/7\/58\u003c\/li\u003e\n\u003cli\u003eNo. 4226\/B\/53\u003c\/li\u003e\n\u003cli\u003e↑ (military arrow)\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp dir=\"ltr\" style=\"margin-top: 0; margin-bottom: 0;\"\u003eThe transit case is marked with the following reference numbers:-\u003c\/p\u003e\n\u003cul\u003e\n\u003cli dir=\"ltr\"\u003eCompass 6B\/2754\u003c\/li\u003e\n\u003cli dir=\"ltr\"\u003eTransit Case 6B\/2756\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eThis type of emergency Gyrocompass was purportedly carried in many RAF Aircraft from the 1950s onwards including the English Electric Lightning, De Havilland Venom and Vampire, Gloster Meteor, and the Hawker Siddeley Harrier. A lovely piece of RAF history!\u003c\/p\u003e\n\u003cp\u003ePlease click on the following link for more \u003ca href=\"https:\/\/mullardantiques.co.uk\/collections\/militaria\" target=\"_blank\"\u003emilitaria\u003c\/a\u003e\u003c\/p\u003e","brand":"Kelvin \u0026 Hughes","offers":[{"title":"Default Title","offer_id":54954016276855,"sku":null,"price":127.0,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0303\/5122\/8972\/files\/Type_Aircraft_E2A_Air_Ministry_RAF_Emergency_Compass_6B_2754_In_Its_Transit_Case_1.jpg?v=1739288552","url":"https:\/\/mullardantiques.co.uk\/en-us\/products\/type-aircraft-e2a-air-ministry-raf-emergency-compass-6b-2754-in-its-transit-case","provider":"Mullard Antiques and Collectibles","version":"1.0","type":"link"}