{"product_id":"rca-cathode-ray-tube-crt-oscilloscope-display-tube-beam-obstruction-demonstration-tube","title":"RCA Cathode Ray Tube (CRT) Oscilloscope\/Display Tube – Beam Obstruction Demonstration Tube","description":"\u003cp\u003e\u003cspan\u003eRCA Cathode Ray Tube (CRT) Oscilloscope\/Display Tube – Beam Obstruction Demonstration Tube\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eLarge RCA cathode ray tube (CRT) used in radar, oscilloscope, or electronic display equipment. This example is marked “Beam Obstruction,” indicating it was likely a factory demonstration, training, or engineering sample used to illustrate electron beam behavior. Features the classic graphite-coated bell and RCA base, making it an attractive display piece for collectors of vintage electronics and radar equipment.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eTube Crate 1 #7\u003c\/span\u003e\u003c\/p\u003e","brand":"Whiskey Rebellion Antiques","offers":[{"title":"Default Title","offer_id":43358400675917,"sku":null,"price":65.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0610\/9229\/8829\/files\/28D6FBF6-19BC-4232-B5B3-A79DFCB500C8.jpg?v=1785788524","url":"https:\/\/whiskeyrebellionantiques.com\/products\/rca-cathode-ray-tube-crt-oscilloscope-display-tube-beam-obstruction-demonstration-tube","provider":"Whiskey Rebellion Antiques","version":"1.0","type":"link"}