{"product_id":"1931-royal-navy-radio-hf-receiver-q7-admiralty-pattern-7492a-made-by-radio-instruments-limited","title":"1931 Royal Navy Radio HF Receiver Q7 Admiralty Pattern 7492A Made By Radio Instruments Limited","description":"\u003ch1\u003e1931 Royal Navy Radio HF Receiver Q7 Admiralty Pattern 7492A Made By Radio Instruments Limited\u003c\/h1\u003e\n\u003cp\u003eAn extremely rare 1931 Royal Navy Radio HF Receiver Q7 Admiralty Pattern 7492A Made By Radio Instruments Limited (1922-1988) of \u003cmeta charset=\"utf-8\"\u003e12 Hyde St.,London WC1 and \u003cmeta charset=\"utf-8\"\u003e40 Purley Way, Croydon.\u003c\/p\u003e\n\u003cp\u003eIn pretty good cosmetic condition, this receiver is being sold as a collectible for display only; a real piece of British Admiralty Radio Communications history! It is sold with two valves, a Mullard PM1 HF and a Mazda P\u003cspan style=\"color: rgb(0, 0, 0);\"\u003e220.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003eComprising two rheostats, for the receiving and quenching valves, and various input and output connectors.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eApproximate Size (WHD)\u003c\/strong\u003e: 20.4 x 23.2 x 12.5 cm  \u003c\/p\u003e\n\u003cp\u003eMade from coated and uncoated non-ferrous metal and brass, this amazing piece of radio equipment has a brass label screwed to the front engraved as follows:-\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eWith a circuit diagram\u003c\/li\u003e\n\u003cli\u003eAdmiralty Pattern 7492A\u003c\/li\u003e\n\u003cli\u003eReceiver Q7\u003c\/li\u003e\n\u003cli\u003eRange: 28,600 -17,600  Kcs (10.5-17 Metres)\u003c\/li\u003e\n\u003cli\u003eSerial No. R7 Year 1931\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cmeta charset=\"utf-8\"\u003e\u003cspan\u003eAccording to \u003cem\u003eCommsmuseum\u003c\/em\u003e, the Q7 was designed in 1928 and \u003cem\u003efitted in Type 71, 47, 48Y and 46X (in heavy ships) with receiver outfit QC\u003c\/em\u003e, which we believe was used in Royal Navy C and D class destroyers.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003eR.I (radio Instruments) made broadcast receivers for the General public and radio receivers for the British Armed Forces, BBC and the Post Office.\u003c\/p\u003e\n\u003cp\u003ePlease click on the following link for more \u003ca href=\"https:\/\/mullardantiques.co.uk\/collections\/vintage-military-radio-equipment\" rel=\"noopener\" target=\"_blank\"\u003evintage military radio equipment\u003c\/a\u003e. \u003c\/p\u003e\n\u003c!----\u003e","brand":"Radio Instruments Ltd","offers":[{"title":"Default Title","offer_id":45260527960321,"sku":"","price":0.0,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0303\/5122\/8972\/files\/1931_Royal_Navy_Radio_HF_Receiver_Q7_Admiralty_Pattern_7492A_Made_By_Radio_Instruments.jpg?v=1729089517","url":"https:\/\/mullardantiques.co.uk\/en-us\/products\/1931-royal-navy-radio-hf-receiver-q7-admiralty-pattern-7492a-made-by-radio-instruments-limited","provider":"Mullard Antiques and Collectibles","version":"1.0","type":"link"}