{"product_id":"ww1-royal-navy-2-pole-knife-aerial-switch-pattern-1549-as-used-in-a-radio-receiver-outfit-c","title":"WW1 Royal Navy 2-Pole Knife \/ Aerial Switch Pattern 1549 As Used In A Radio Receiver Outfit C","description":"\u003ch1\u003eWW1 Royal Navy 2-Pole Knife \/ Aerial Switch Pattern 1549 As Used In A Radio Receiver Outfit C\u003c\/h1\u003e\n\u003cp\u003eThis is a WW1 Royal Navy 2-Pole Knife \/ Aerial Switch Pattern 1549 As Used In A Radio Receiver Outfit C introduced in 1912.\u003c\/p\u003e\n\u003cp\u003eIt is in pretty good cosmetic condition, with a few surface blemishes and discolouration, and is being sold as a collectible for display only. I think it would look lovely polished but I am leaving that decision to its new owner as some people prefer to see the original patina.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eApproximate Size (WHD)\u003c\/strong\u003e with the switch horizontal: 9.8 x 4.3 x 8.9 cm\u003c\/p\u003e\n\u003cp\u003eThe Royal Navy Receiver C had a frequency range of 55-1400kc\/s. A schematic of its component parts is appended, with the position (6) of the aerial switch 1549 marked by a red arrow. Further information about the Receiver C can be found at the excellent \u003ca rel=\"noopener\" href=\"https:\/\/www.commsmuseum.co.uk\/receivers.htm\" target=\"_blank\"\u003eRN Communications Branch Museum \/ Library website\u003c\/a\u003e.\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","brand":"British Military","offers":[{"title":"Default Title","offer_id":55023200010615,"sku":"","price":70.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0303\/5122\/8972\/files\/WW1_Royal_Navy_Aerial_Switch_Pattern_1549_As_Used_In_A_Radio_Receiver_Outfit_C.jpg?v=1741711945","url":"https:\/\/mullardantiques.co.uk\/en-us\/products\/ww1-royal-navy-2-pole-knife-aerial-switch-pattern-1549-as-used-in-a-radio-receiver-outfit-c","provider":"Mullard Antiques and Collectibles","version":"1.0","type":"link"}