photoMegjegyzés hozzáfűzése Inventor and physicist Thomas Alva Edison looks at his invention of the light bulb, 1911. 2022.04.09. lgyarmati Inventor and physicist Thomas Alva Edison looks at his invention of the light bulb, 1911. részletei…
photoMegjegyzés hozzáfűzése Inventor John L Baird gives the first ever public demonstration of a Television at Selfridge’s Department Store in London, 1926. 2022.03.14. lgyarmati Inventor John L Baird gives the first ever public demonstration of a Television at Selfridge’s Department Store in London, 1926. részletei…
