{"product_id":"1954-availability-classification-of-marconi-valves-and-electronic-tubes-booklet","title":"1954 Availability Classification Of Marconi Valves And Electronic Tubes Booklet","description":"\u003ch1\u003e1954 Availability Classification Of Marconi Valves And Electronic Tubes Booklet\u003c\/h1\u003e\n\u003cp\u003eThis rare little booklet is a 1954 Availability Classification Of Marconi Valves And Electronic Tubes Booklet\u003c\/p\u003e\n\u003cp\u003eComprising 18 pages, the instruction book is intact but has yellowed with age and is slightly grubby with some foxing. Someone has left a footprint on the face of the booklet!\u003c\/p\u003e\n\u003cp\u003eOriginally owned by the Technical College, Brighton, it was provided by Marconi's Wireless Telegraph Co. Ltd to guide radio designers as to the availability of Marconi valves in 1954. A CV list was provided and other manufacturers' equivalents.\u003c\/p\u003e\n\u003cp\u003eApproximate Size (Width, Height): 15.4 x 22.5 cm\u003c\/p\u003e\n\u003cp\u003eA nice piece of \u003ca href=\"https:\/\/mullardantiques.co.uk\/collections\/amateur-radio-equipment\" rel=\"noopener noreferrer\" target=\"_blank\"\u003eearly radio broadcasting history!\u003c\/a\u003e\u003c\/p\u003e","brand":"Marconi","offers":[{"title":"Default Title","offer_id":45123831070977,"sku":null,"price":15.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0303\/5122\/8972\/files\/1954_Availability_Classification_Of_Marconi_Valves_And_Electronic_Tubes_Booklet.jpg?v=1761315860","url":"https:\/\/mullardantiques.co.uk\/en-us\/products\/1954-availability-classification-of-marconi-valves-and-electronic-tubes-booklet","provider":"Mullard Antiques and Collectibles","version":"1.0","type":"link"}