{"product_id":"1934-ceb-ferranti-ac-test-set-comprising-a-voltmeter-ammeter-in-a-bakelite-case","title":"1934 CEB Ferranti AC Test Set Comprising A Voltmeter \u0026 Ammeter In A Bakelite Case","description":"\u003ch1\u003e1934 Vintage CEB Ferranti AC Test Set Comprising A Voltmeter \u0026amp; Ammeter In A Bakelite Case\u003c\/h1\u003e\n\u003cp\u003eThis nice scientific curio is a 1934 CEB Ferranti AC Test Set Comprising A Voltmeter \u0026amp; Ammeter In A Bakelite Case. Made by Ferranti Ltd and in use at the Central Electricity Board (CEB) \u003cmeta charset=\"utf-8\"\u003e\u003cspan data-mce-fragment=\"1\"\u003eSWE \u0026amp; SW Bristol.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan data-mce-fragment=\"1\"\u003e\u003cmeta charset=\"utf-8\"\u003eIn pretty good cosmetic condition with a few surface scuffs and blemishes commensurate with age and use. It hasn't been tested and is being sold as a collectible.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003eThe instrument comprises two permanent moving magnet coil instruments mounted in a single bakelite case with a metal CEB label on the exterior of the case.  The inside comprises bakelite knobs which allow the voltage and current scales to be conveniently changed.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eApproximate Size of the Bakelite Case\u003c\/strong\u003e: 13.8 x 5.7 x 4.9 cm\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eMetal Label\u003c\/strong\u003e : Central Electricity Board SWE \u0026amp; SW Bristol No. 41\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eVoltmeter \u003c\/strong\u003e\u003c\/p\u003e\n\u003cdiv style=\"padding-left: 30px;\"\u003eHigh Voltage: 100 ohms per volt; 600, 300 , 150 v\u003c\/div\u003e\n\u003cp style=\"padding-left: 30px;\"\u003eLow voltage:  10 ohms per volt ; 7.5, 15, 30 volts\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eAmmeter \u003c\/strong\u003e\u003c\/p\u003e\n\u003cp style=\"padding-left: 30px;\"\u003eTwo Ranges: 0-5 and 0-0.5 amperes\u003c\/p\u003e\n\u003cp\u003eBoth meters are marked:-\u003c\/p\u003e\n\u003cdiv style=\"padding-left: 30px;\"\u003e\n\u003cmeta charset=\"utf-8\"\u003eA33437\u003c\/div\u003e\n\u003cdiv style=\"padding-left: 30px;\"\u003eMade in England\u003c\/div\u003e\n\u003cdiv style=\"padding-left: 30px;\"\u003ePatent no. 350380 (\u003cem\u003e1930-02-01 \u003cspan class=\"title-text style-scope application-timeline\"\u003eApplication filed by EDGAR HAROLD WALTER BANNER, Ferranti PLC\u003c\/span\u003e)\u003c\/em\u003e\u003cbr\u003e\n\u003c\/div\u003e\n\u003cp style=\"padding-left: 30px;\"\u003eBSI 25-100~\u003c\/p\u003e\n\u003cp\u003eA lovely instrument suitable for any collection display of \u003ca href=\"https:\/\/mullardantiques.co.uk\/collections\/tests-measures-meters\" target=\"_blank\"\u003evintage meters \u003c\/a\u003eand electricity board gadgets.\u003c\/p\u003e","brand":"Ferranti","offers":[{"title":"Default Title","offer_id":44001701953793,"sku":null,"price":0.0,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0303\/5122\/8972\/files\/DSC06926_c117192c-4a6c-41b5-9b71-afac40d7c11c.jpg?v=1692357244","url":"https:\/\/mullardantiques.co.uk\/en-us\/products\/1934-ceb-ferranti-ac-test-set-comprising-a-voltmeter-ammeter-in-a-bakelite-case","provider":"Mullard Antiques and Collectibles","version":"1.0","type":"link"}