{"product_id":"vintage-1950s-ac-cossor-oscilloscope-oscillograph-model-1039m","title":"Vintage 1950s AC Cossor Oscilloscope \/ Oscillograph Model 1039M","description":"\u003ch1\u003eVintage 1950s AC Cossor Oscilloscope \/ Oscillograph Model 1039M\u003c\/h1\u003e\n\u003cp\u003eA nice and robust, portable, Vintage 1950s AC Cossor Oscilloscope \/ Oscillograph Model 1039M. In very good cosmetic and working condition, this scope uses valves and rectifiers in the circuit. It was popular with television service engineers as it covered the waveforms of most 1950s TV receivers.\u003cstrong\u003e\u003cspan style=\"color: #2a2a2a;\"\u003e\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eSummary Specification:\u003c\/strong\u003e (See attached advert and specification in the images)\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eModel: Cossor Oscillosgraph 1039M\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003eManufacturer: Cossor Electronic Instruments, AC Cossor Ltd, London UK\u003c\/li\u003e\n\u003cli\u003eSerial No. 8793\u003c\/li\u003e\n\u003cli\u003eCathode Ray Screen: Type 23D, Single Trace, 2¾\" green screen\u003cacronym title=\"Cathode Ray Tube\"\u003e\u003c\/acronym\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cacronym\u003eTime Base Frequency 10c\/s -50 Kc\/s (1c\/s = 1Hz)\u003c\/acronym\u003e\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003eFour valves including three 6AM6 \u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003eAC Mains\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eCossor were instrumental in the advancement of radio and radar. They manufactured equipment ranging from thermionic valves, electronic instruments and, from the 1920s, radio sets. \u003cbr\u003e\u003c\/p\u003e\n\u003cdiv\u003e\u003cspan style=\"color: #ff2a00;\"\u003e\u003cstrong\u003e\u003cspan size=\"4\" color=\"#ff2600\"\u003eNB: In accordance with our \u003ca href=\"https:\/\/mullardantiques.co.uk\/pages\/terms-and-conditions\" target=\"_blank\" rel=\"noopener\"\u003eterms and conditions:\u003c\/a\u003e-\u003c\/span\u003e\u003c\/strong\u003e\u003c\/span\u003e\u003c\/div\u003e\n\u003cdiv\u003e\u003cspan style=\"color: #ff2a00;\"\u003e\u003cstrong\u003e\u003cspan size=\"4\" color=\"#ff2600\"\u003eAll electrical items sold by us, trading as Mullard Antiques \u0026amp; Collectibles, are offered as vintage \/ antique collectors items only and as such are exempt from General Product Safety Regulations (2005). \u003c\/span\u003e\u003c\/strong\u003e\u003c\/span\u003e\u003c\/div\u003e\n\u003cdiv\u003e\u003cspan style=\"color: #ff2a00;\"\u003e\u003cstrong\u003e\u003cspan size=\"4\" color=\"#ff2600\"\u003eAn indication of working condition may be given in the item description, however, no PAT or other form of electrical safety testing has been carried out unless otherwise advised \u003cbr\u003e\u003c\/span\u003e\u003c\/strong\u003e\u003c\/span\u003e\u003c\/div\u003e\n\u003cdiv\u003e\u003cspan style=\"color: #ff2a00;\"\u003e\u003cstrong\u003e\u003cspan size=\"4\" color=\"#ff2600\"\u003eAccordingly, by buying this item, you have accepted that this specified electrical item must be inspected by a competent qualified electrician before any attempt is made to connect this item to a mains electrical supply and, as purchaser, it is your responsibility to undertake this action. \u003c\/span\u003e\u003c\/strong\u003e\u003c\/span\u003e\u003c\/div\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003ePlease click on the following link for more \u003ca rel=\"noopener\" href=\"https:\/\/mullardantiques.co.uk\/collections\/tests-measures-meters\" target=\"_blank\"\u003evintage testing equipment.\u003c\/a\u003e\u003c\/p\u003e","brand":"Cossor","offers":[{"title":"Default Title","offer_id":54785829568887,"sku":"","price":0.0,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0303\/5122\/8972\/files\/Vintage_1950s_AC_Cossor_Oscilloscope_Oscillograph_Model_1039M.jpg?v=1732541535","url":"https:\/\/mullardantiques.co.uk\/en-us\/products\/vintage-1950s-ac-cossor-oscilloscope-oscillograph-model-1039m","provider":"Mullard Antiques and Collectibles","version":"1.0","type":"link"}