{"product_id":"1929-general-radio-type-558-amateur-band-frequency-meter-in-wood-transit-case","title":"1929 General Radio Type 558-P Amateur Band Frequency Meter In Wood Transit Case","description":"\u003ch1\u003e1929 General Radio Type 558-P Amateur Band Frequency Meter In A Wood Transit Case\u003c\/h1\u003e\n\u003cp\u003eThis great looking piece of vintage tech is a 1929 General Radio Type 558-P Amateur Band Frequency Meter In A Wood Transit Case. The wavemeter\/frequency meter was made by General Radio Co., Cambridge, Mass. USA, from 1928-1935: see the image of the original advert below.\u003c\/p\u003e\n\u003cp\u003eComplete with its original coils (A to E) and calibration chart mounted on a metal plate. The original instruction leaflet is stuck to the inside of the box lid.\u003c\/p\u003e\n\u003cp\u003eFrequency measured: \u003cspan data-mce-fragment=\"1\"\u003e4.6 (Coil A)- 86 Metres (Coil E)\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cimg alt=\"\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0303\/5122\/8972\/files\/GENERAL_558_FROM_1928_480x480.jpg?v=1611054608\" style=\"display: block; margin-left: auto; margin-right: auto;\"\u003e\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eApproximate Size of Case:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eWidth: 29.6 cm\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003eHeight: 14.7 cm\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003eDepth: 18 cm\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eIn pretty good cosmetic condition with some surface blemishes. The top of the meter has engrained dirt, which slightly masks the numbers on the meter but they are still readable. The excess dirt wiped off with a damp cloth.\u003c\/p\u003e\n\u003cp\u003eA nice little collectible for those of us whom love \u003ca href=\"https:\/\/mullardantiques.co.uk\/collections\/tests-measures-meters\" target=\"_blank\"\u003evintage test meters\u003c\/a\u003e and \u003ca href=\"https:\/\/mullardantiques.co.uk\/collections\/radio-equipment-accessories\" target=\"_blank\" rel=\"noopener noreferrer\"\u003eradio accessories. \u003c\/a\u003e\u003c\/p\u003e","brand":"General Radio Co","offers":[{"title":"Default Title","offer_id":37950802722965,"sku":"","price":0.0,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0303\/5122\/8972\/products\/DSC00445.jpg?v=1611054454","url":"https:\/\/mullardantiques.co.uk\/en-us\/products\/1929-general-radio-type-558-amateur-band-frequency-meter-in-wood-transit-case","provider":"Mullard Antiques and Collectibles","version":"1.0","type":"link"}